77778876

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 231662592

約数和(自身を除く): 153883716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 31, 34, 42, 49, 51, 62, 68, 84, 93, 98, 102, 119, 124, 147, 186, 196, 204, 217, 238, 251, 294, 357, 372, 434, 476, 502, 527, 588, 651, 714, 753, 833, 868, 1004, 1054, 1302, 1428, 1506, 1519, 1581, 1666, 1757, 2108, 2499, 2604, 3012, 3038, 3162, 3332, 3514, 3689, 4267, 4557, 4998, 5271, 6076, 6324, 7028, 7378, 7781, 8534, 9114, 9996, 10542, 11067, 12299, 12801, 14756, 15562, 17068, 18228, 21084, 22134, 23343, 24598, 25602, 25823, 29869, 31124, 36897, 44268, 46686, 49196, 51204, 51646, 54467, 59738, 73794, 77469, 89607, 93372, 103292, 108934, 119476, 132277, 147588, 154938, 163401, 179214, 209083, 217868, 264554, 309876, 326802, 358428, 381269, 396831, 418166, 529108, 627249, 653604, 762538, 793662, 836332, 925939, 1143807, 1254498, 1525076, 1587324, 1851878, 2287614, 2508996, 2777817, 3703756, 4575228, 5555634, 6481573, 11111268, 12963146, 19444719, 25926292, 38889438, 77778876]

約数ペア:

[(1, 77778876), (2, 38889438), (3, 25926292), (4, 19444719), (6, 12963146), (7, 11111268), (12, 6481573), (14, 5555634), (17, 4575228), (21, 3703756), (28, 2777817), (31, 2508996), (34, 2287614), (42, 1851878), (49, 1587324), (51, 1525076), (62, 1254498), (68, 1143807), (84, 925939), (93, 836332), (98, 793662), (102, 762538), (119, 653604), (124, 627249), (147, 529108), (186, 418166), (196, 396831), (204, 381269), (217, 358428), (238, 326802), (251, 309876), (294, 264554), (357, 217868), (372, 209083), (434, 179214), (476, 163401), (502, 154938), (527, 147588), (588, 132277), (651, 119476), (714, 108934), (753, 103292), (833, 93372), (868, 89607), (1004, 77469), (1054, 73794), (1302, 59738), (1428, 54467), (1506, 51646), (1519, 51204), (1581, 49196), (1666, 46686), (1757, 44268), (2108, 36897), (2499, 31124), (2604, 29869), (3012, 25823), (3038, 25602), (3162, 24598), (3332, 23343), (3514, 22134), (3689, 21084), (4267, 18228), (4557, 17068), (4998, 15562), (5271, 14756), (6076, 12801), (6324, 12299), (7028, 11067), (7378, 10542), (7781, 9996), (8534, 9114)]