642973568

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1069}}^1$

素因数の和:1247

約数の個数: 64

約数和(自身を含む): 1327142400

約数和(自身を除く): 684168832

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 127, 128, 148, 254, 296, 508, 592, 1016, 1069, 1184, 2032, 2138, 2368, 4064, 4276, 4699, 4736, 8128, 8552, 9398, 16256, 17104, 18796, 34208, 37592, 39553, 68416, 75184, 79106, 135763, 136832, 150368, 158212, 271526, 300736, 316424, 543052, 601472, 632848, 1086104, 1265696, 2172208, 2531392, 4344416, 5023231, 5062784, 8688832, 10046462, 17377664, 20092924, 40185848, 80371696, 160743392, 321486784, 642973568]

約数ペア:

[(1, 642973568), (2, 321486784), (4, 160743392), (8, 80371696), (16, 40185848), (32, 20092924), (37, 17377664), (64, 10046462), (74, 8688832), (127, 5062784), (128, 5023231), (148, 4344416), (254, 2531392), (296, 2172208), (508, 1265696), (592, 1086104), (1016, 632848), (1069, 601472), (1184, 543052), (2032, 316424), (2138, 300736), (2368, 271526), (4064, 158212), (4276, 150368), (4699, 136832), (4736, 135763), (8128, 79106), (8552, 75184), (9398, 68416), (16256, 39553), (17104, 37592), (18796, 34208)]