640147315072

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{702113}}^1$

素因数の和:702563

約数の個数: 64

約数和(自身を含む): 1353535369200

約数和(自身を除く): 713388054128

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 419, 544, 838, 1088, 1676, 2176, 3352, 6704, 7123, 13408, 14246, 26816, 28492, 53632, 56984, 113968, 227936, 455872, 702113, 911744, 1404226, 2808452, 5616904, 11233808, 11935921, 22467616, 23871842, 44935232, 47743684, 89870464, 95487368, 190974736, 294185347, 381949472, 588370694, 763898944, 1176741388, 1527797888, 2353482776, 4706965552, 5001150899, 9413931104, 10002301798, 18827862208, 20004603596, 37655724416, 40009207192, 80018414384, 160036828768, 320073657536, 640147315072]

約数ペア:

[(1, 640147315072), (2, 320073657536), (4, 160036828768), (8, 80018414384), (16, 40009207192), (17, 37655724416), (32, 20004603596), (34, 18827862208), (64, 10002301798), (68, 9413931104), (128, 5001150899), (136, 4706965552), (272, 2353482776), (419, 1527797888), (544, 1176741388), (838, 763898944), (1088, 588370694), (1676, 381949472), (2176, 294185347), (3352, 190974736), (6704, 95487368), (7123, 89870464), (13408, 47743684), (14246, 44935232), (26816, 23871842), (28492, 22467616), (53632, 11935921), (56984, 11233808), (113968, 5616904), (227936, 2808452), (455872, 1404226), (702113, 911744)]