638831936

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{773}}^1$

素因数の和:1171

約数の個数: 56

約数和(自身を含む): 1307363400

約数和(自身を除く): 668531464

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 148, 296, 349, 592, 698, 773, 1184, 1396, 1546, 2368, 2792, 3092, 5584, 6184, 11168, 12368, 12913, 22336, 24736, 25826, 28601, 49472, 51652, 57202, 103304, 114404, 206608, 228808, 269777, 413216, 457616, 539554, 826432, 915232, 1079108, 1830464, 2158216, 4316432, 8632864, 9981749, 17265728, 19963498, 39926996, 79853992, 159707984, 319415968, 638831936]

約数ペア:

[(1, 638831936), (2, 319415968), (4, 159707984), (8, 79853992), (16, 39926996), (32, 19963498), (37, 17265728), (64, 9981749), (74, 8632864), (148, 4316432), (296, 2158216), (349, 1830464), (592, 1079108), (698, 915232), (773, 826432), (1184, 539554), (1396, 457616), (1546, 413216), (2368, 269777), (2792, 228808), (3092, 206608), (5584, 114404), (6184, 103304), (11168, 57202), (12368, 51652), (12913, 49472), (22336, 28601), (24736, 25826)]