840507928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{6481}}^1$

素因数の和:6572

約数の個数: 64

約数和(自身を含む): 1796810400

約数和(自身を除く): 956302472

約数列:

[1, 2, 4, 8, 13, 26, 29, 43, 52, 58, 86, 104, 116, 172, 232, 344, 377, 559, 754, 1118, 1247, 1508, 2236, 2494, 3016, 4472, 4988, 6481, 9976, 12962, 16211, 25924, 32422, 51848, 64844, 84253, 129688, 168506, 187949, 278683, 337012, 375898, 557366, 674024, 751796, 1114732, 1503592, 2229464, 2443337, 3622879, 4886674, 7245758, 8081807, 9773348, 14491516, 16163614, 19546696, 28983032, 32327228, 64654456, 105063491, 210126982, 420253964, 840507928]

約数ペア:

[(1, 840507928), (2, 420253964), (4, 210126982), (8, 105063491), (13, 64654456), (26, 32327228), (29, 28983032), (43, 19546696), (52, 16163614), (58, 14491516), (86, 9773348), (104, 8081807), (116, 7245758), (172, 4886674), (232, 3622879), (344, 2443337), (377, 2229464), (559, 1503592), (754, 1114732), (1118, 751796), (1247, 674024), (1508, 557366), (2236, 375898), (2494, 337012), (3016, 278683), (4472, 187949), (4988, 168506), (6481, 129688), (9976, 84253), (12962, 64844), (16211, 51848), (25924, 32422)]