7872905628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1\times {\mathrm{647}}^1$

素因数の和:1216

約数の個数: 144

約数和(自身を含む): 23039976960

約数和(自身を除く): 15167071332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 109, 126, 218, 252, 327, 436, 443, 647, 654, 763, 886, 981, 1294, 1308, 1329, 1526, 1772, 1941, 1962, 2289, 2588, 2658, 3052, 3101, 3882, 3924, 3987, 4529, 4578, 5316, 5823, 6202, 6867, 7764, 7974, 9058, 9156, 9303, 11646, 12404, 13587, 13734, 15948, 18116, 18606, 23292, 27174, 27468, 27909, 37212, 40761, 48287, 54348, 55818, 70523, 81522, 96574, 111636, 141046, 144861, 163044, 193148, 211569, 282092, 286621, 289722, 338009, 423138, 434583, 493661, 573242, 579444, 634707, 676018, 846276, 859863, 869166, 987322, 1014027, 1146484, 1269414, 1352036, 1480983, 1719726, 1738332, 1974644, 2006347, 2028054, 2538828, 2579589, 2961966, 3042081, 3439452, 4012694, 4056108, 4442949, 5159178, 5923932, 6019041, 6084162, 8025388, 8885898, 10318356, 12038082, 12168324, 17771796, 18057123, 24076164, 31241689, 36114246, 62483378, 72228492, 93725067, 124966756, 187450134, 218691823, 281175201, 374900268, 437383646, 562350402, 656075469, 874767292, 1124700804, 1312150938, 1968226407, 2624301876, 3936452814, 7872905628]

約数ペア:

[(1, 7872905628), (2, 3936452814), (3, 2624301876), (4, 1968226407), (6, 1312150938), (7, 1124700804), (9, 874767292), (12, 656075469), (14, 562350402), (18, 437383646), (21, 374900268), (28, 281175201), (36, 218691823), (42, 187450134), (63, 124966756), (84, 93725067), (109, 72228492), (126, 62483378), (218, 36114246), (252, 31241689), (327, 24076164), (436, 18057123), (443, 17771796), (647, 12168324), (654, 12038082), (763, 10318356), (886, 8885898), (981, 8025388), (1294, 6084162), (1308, 6019041), (1329, 5923932), (1526, 5159178), (1772, 4442949), (1941, 4056108), (1962, 4012694), (2289, 3439452), (2588, 3042081), (2658, 2961966), (3052, 2579589), (3101, 2538828), (3882, 2028054), (3924, 2006347), (3987, 1974644), (4529, 1738332), (4578, 1719726), (5316, 1480983), (5823, 1352036), (6202, 1269414), (6867, 1146484), (7764, 1014027), (7974, 987322), (9058, 869166), (9156, 859863), (9303, 846276), (11646, 676018), (12404, 634707), (13587, 579444), (13734, 573242), (15948, 493661), (18116, 434583), (18606, 423138), (23292, 338009), (27174, 289722), (27468, 286621), (27909, 282092), (37212, 211569), (40761, 193148), (48287, 163044), (54348, 144861), (55818, 141046), (70523, 111636), (81522, 96574)]