655677776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1667}}^1$

素因数の和:1780

約数の個数: 80

約数和(自身を含む): 1436241408

約数和(自身を除く): 780563632

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 61, 62, 104, 122, 124, 208, 244, 248, 403, 488, 496, 793, 806, 976, 1586, 1612, 1667, 1891, 3172, 3224, 3334, 3782, 6344, 6448, 6668, 7564, 12688, 13336, 15128, 21671, 24583, 26672, 30256, 43342, 49166, 51677, 86684, 98332, 101687, 103354, 173368, 196664, 203374, 206708, 346736, 393328, 406748, 413416, 671801, 813496, 826832, 1321931, 1343602, 1626992, 2643862, 2687204, 3152297, 5287724, 5374408, 6304594, 10575448, 10748816, 12609188, 21150896, 25218376, 40979861, 50436752, 81959722, 163919444, 327838888, 655677776]

約数ペア:

[(1, 655677776), (2, 327838888), (4, 163919444), (8, 81959722), (13, 50436752), (16, 40979861), (26, 25218376), (31, 21150896), (52, 12609188), (61, 10748816), (62, 10575448), (104, 6304594), (122, 5374408), (124, 5287724), (208, 3152297), (244, 2687204), (248, 2643862), (403, 1626992), (488, 1343602), (496, 1321931), (793, 826832), (806, 813496), (976, 671801), (1586, 413416), (1612, 406748), (1667, 393328), (1891, 346736), (3172, 206708), (3224, 203374), (3334, 196664), (3782, 173368), (6344, 103354), (6448, 101687), (6668, 98332), (7564, 86684), (12688, 51677), (13336, 49166), (15128, 43342), (21671, 30256), (24583, 26672)]