638545544

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{619}}^1$

素因数の和:767

約数の個数: 96

約数和(自身を含む): 1497672000

約数和(自身を除く): 859126456

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 109, 169, 182, 218, 338, 364, 436, 619, 676, 728, 763, 872, 1183, 1238, 1352, 1417, 1526, 2366, 2476, 2834, 3052, 4333, 4732, 4952, 5668, 6104, 8047, 8666, 9464, 9919, 11336, 16094, 17332, 18421, 19838, 32188, 34664, 36842, 39676, 56329, 64376, 67471, 73684, 79352, 104611, 112658, 128947, 134942, 147368, 209222, 225316, 257894, 269884, 418444, 450632, 472297, 515788, 539768, 732277, 836888, 877123, 944594, 1031576, 1464554, 1754246, 1889188, 2929108, 3508492, 3778376, 5858216, 6139861, 7016984, 11402599, 12279722, 22805198, 24559444, 45610396, 49118888, 79818193, 91220792, 159636386, 319272772, 638545544]

約数ペア:

[(1, 638545544), (2, 319272772), (4, 159636386), (7, 91220792), (8, 79818193), (13, 49118888), (14, 45610396), (26, 24559444), (28, 22805198), (52, 12279722), (56, 11402599), (91, 7016984), (104, 6139861), (109, 5858216), (169, 3778376), (182, 3508492), (218, 2929108), (338, 1889188), (364, 1754246), (436, 1464554), (619, 1031576), (676, 944594), (728, 877123), (763, 836888), (872, 732277), (1183, 539768), (1238, 515788), (1352, 472297), (1417, 450632), (1526, 418444), (2366, 269884), (2476, 257894), (2834, 225316), (3052, 209222), (4333, 147368), (4732, 134942), (4952, 128947), (5668, 112658), (6104, 104611), (8047, 79352), (8666, 73684), (9464, 67471), (9919, 64376), (11336, 56329), (16094, 39676), (17332, 36842), (18421, 34664), (19838, 32188)]