257067376

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{12641}}^1$

素因数の和:12721

約数の個数: 40

約数和(自身を含む): 526716288

約数和(自身を除く): 269648912

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 124, 164, 248, 328, 496, 656, 1271, 2542, 5084, 10168, 12641, 20336, 25282, 50564, 101128, 202256, 391871, 518281, 783742, 1036562, 1567484, 2073124, 3134968, 4146248, 6269936, 8292496, 16066711, 32133422, 64266844, 128533688, 257067376]

約数ペア:

[(1, 257067376), (2, 128533688), (4, 64266844), (8, 32133422), (16, 16066711), (31, 8292496), (41, 6269936), (62, 4146248), (82, 3134968), (124, 2073124), (164, 1567484), (248, 1036562), (328, 783742), (496, 518281), (656, 391871), (1271, 202256), (2542, 101128), (5084, 50564), (10168, 25282), (12641, 20336)]