257460756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{4651}}^1$

素因数の和:5324

約数の個数: 48

約数和(自身を含む): 687751680

約数和(自身を除く): 430290924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 659, 1318, 1977, 2636, 3954, 4613, 4651, 7908, 9226, 9302, 13839, 13953, 18452, 18604, 27678, 27906, 32557, 55356, 55812, 65114, 97671, 130228, 195342, 390684, 3065009, 6130018, 9195027, 12260036, 18390054, 21455063, 36780108, 42910126, 64365189, 85820252, 128730378, 257460756]

約数ペア:

[(1, 257460756), (2, 128730378), (3, 85820252), (4, 64365189), (6, 42910126), (7, 36780108), (12, 21455063), (14, 18390054), (21, 12260036), (28, 9195027), (42, 6130018), (84, 3065009), (659, 390684), (1318, 195342), (1977, 130228), (2636, 97671), (3954, 65114), (4613, 55812), (4651, 55356), (7908, 32557), (9226, 27906), (9302, 27678), (13839, 18604), (13953, 18452)]