256420684804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{341459}}^1$

素因数の和:341764

約数の個数: 48

約数和(自身を含む): 485883921600

約数和(自身を除く): 229463236796

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 241, 482, 779, 964, 1558, 3116, 4579, 9158, 9881, 18316, 19762, 39524, 187739, 341459, 375478, 682918, 750956, 1365836, 6487721, 12975442, 13999819, 25950884, 27999638, 55999276, 82291619, 164583238, 265996561, 329166476, 531993122, 1063986244, 1563540761, 3127081522, 3373956379, 6254163044, 6747912758, 13495825516, 64105171201, 128210342402, 256420684804]

約数ペア:

[(1, 256420684804), (2, 128210342402), (4, 64105171201), (19, 13495825516), (38, 6747912758), (41, 6254163044), (76, 3373956379), (82, 3127081522), (164, 1563540761), (241, 1063986244), (482, 531993122), (779, 329166476), (964, 265996561), (1558, 164583238), (3116, 82291619), (4579, 55999276), (9158, 27999638), (9881, 25950884), (18316, 13999819), (19762, 12975442), (39524, 6487721), (187739, 1365836), (341459, 750956), (375478, 682918)]