397789644

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:348

約数の個数: 144

約数和(自身を含む): 1129712640

約数和(自身を除く): 731922996

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 139, 147, 157, 186, 196, 217, 278, 294, 314, 372, 417, 434, 471, 556, 588, 628, 651, 834, 868, 942, 973, 1099, 1302, 1519, 1668, 1884, 1946, 2198, 2604, 2919, 3038, 3297, 3892, 4309, 4396, 4557, 4867, 5838, 6076, 6594, 6811, 7693, 8618, 9114, 9734, 11676, 12927, 13188, 13622, 14601, 15386, 17236, 18228, 19468, 20433, 21823, 23079, 25854, 27244, 29202, 30163, 30772, 34069, 40866, 43646, 46158, 51708, 58404, 60326, 65469, 68138, 81732, 87292, 90489, 92316, 102207, 120652, 130938, 136276, 152761, 180978, 204414, 211141, 238483, 261876, 305522, 361956, 408828, 422282, 458283, 476966, 611044, 633423, 676513, 715449, 844564, 916566, 953932, 1069327, 1266846, 1353026, 1430898, 1833132, 2029539, 2138654, 2533692, 2706052, 2861796, 3207981, 4059078, 4277308, 4735591, 6415962, 8118156, 9471182, 12831924, 14206773, 18942364, 28413546, 33149137, 56827092, 66298274, 99447411, 132596548, 198894822, 397789644]

約数ペア:

[(1, 397789644), (2, 198894822), (3, 132596548), (4, 99447411), (6, 66298274), (7, 56827092), (12, 33149137), (14, 28413546), (21, 18942364), (28, 14206773), (31, 12831924), (42, 9471182), (49, 8118156), (62, 6415962), (84, 4735591), (93, 4277308), (98, 4059078), (124, 3207981), (139, 2861796), (147, 2706052), (157, 2533692), (186, 2138654), (196, 2029539), (217, 1833132), (278, 1430898), (294, 1353026), (314, 1266846), (372, 1069327), (417, 953932), (434, 916566), (471, 844564), (556, 715449), (588, 676513), (628, 633423), (651, 611044), (834, 476966), (868, 458283), (942, 422282), (973, 408828), (1099, 361956), (1302, 305522), (1519, 261876), (1668, 238483), (1884, 211141), (1946, 204414), (2198, 180978), (2604, 152761), (2919, 136276), (3038, 130938), (3297, 120652), (3892, 102207), (4309, 92316), (4396, 90489), (4557, 87292), (4867, 81732), (5838, 68138), (6076, 65469), (6594, 60326), (6811, 58404), (7693, 51708), (8618, 46158), (9114, 43646), (9734, 40866), (11676, 34069), (12927, 30772), (13188, 30163), (13622, 29202), (14601, 27244), (15386, 25854), (17236, 23079), (18228, 21823), (19468, 20433)]