81363464

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1531}}^1$

素因数の和:1630

約数の個数: 64

約数和(自身を含む): 190458240

約数和(自身を除く): 109094776

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 73, 91, 104, 146, 182, 292, 364, 511, 584, 728, 949, 1022, 1531, 1898, 2044, 3062, 3796, 4088, 6124, 6643, 7592, 10717, 12248, 13286, 19903, 21434, 26572, 39806, 42868, 53144, 79612, 85736, 111763, 139321, 159224, 223526, 278642, 447052, 557284, 782341, 894104, 1114568, 1452919, 1564682, 2905838, 3129364, 5811676, 6258728, 10170433, 11623352, 20340866, 40681732, 81363464]

約数ペア:

[(1, 81363464), (2, 40681732), (4, 20340866), (7, 11623352), (8, 10170433), (13, 6258728), (14, 5811676), (26, 3129364), (28, 2905838), (52, 1564682), (56, 1452919), (73, 1114568), (91, 894104), (104, 782341), (146, 557284), (182, 447052), (292, 278642), (364, 223526), (511, 159224), (584, 139321), (728, 111763), (949, 85736), (1022, 79612), (1531, 53144), (1898, 42868), (2044, 39806), (3062, 26572), (3796, 21434), (4088, 19903), (6124, 13286), (6643, 12248), (7592, 10717)]