641127712

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{3449}}^1$

素因数の和:3653

約数の個数: 48

約数和(自身を含む): 1304969400

約数和(自身を除く): 663841688

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 157, 296, 314, 592, 628, 1184, 1256, 2512, 3449, 5024, 5809, 6898, 11618, 13796, 23236, 27592, 46472, 55184, 92944, 110368, 127613, 185888, 255226, 510452, 541493, 1020904, 1082986, 2041808, 2165972, 4083616, 4331944, 8663888, 17327776, 20035241, 40070482, 80140964, 160281928, 320563856, 641127712]

約数ペア:

[(1, 641127712), (2, 320563856), (4, 160281928), (8, 80140964), (16, 40070482), (32, 20035241), (37, 17327776), (74, 8663888), (148, 4331944), (157, 4083616), (296, 2165972), (314, 2041808), (592, 1082986), (628, 1020904), (1184, 541493), (1256, 510452), (2512, 255226), (3449, 185888), (5024, 127613), (5809, 110368), (6898, 92944), (11618, 55184), (13796, 46472), (23236, 27592)]