215379664

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{21401}}^1$

素因数の和:21463

約数の個数: 40

約数和(自身を含む): 453808008

約数和(自身を除く): 238428344

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 2516, 5032, 10064, 21401, 42802, 85604, 171208, 342416, 363817, 727634, 791837, 1455268, 1583674, 2910536, 3167348, 5821072, 6334696, 12669392, 13461229, 26922458, 53844916, 107689832, 215379664]

約数ペア:

[(1, 215379664), (2, 107689832), (4, 53844916), (8, 26922458), (16, 13461229), (17, 12669392), (34, 6334696), (37, 5821072), (68, 3167348), (74, 2910536), (136, 1583674), (148, 1455268), (272, 791837), (296, 727634), (592, 363817), (629, 342416), (1258, 171208), (2516, 85604), (5032, 42802), (10064, 21401)]