261259096

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{76481}}^1$

素因数の和:76555

約数の個数: 32

約数和(自身を含む): 569026080

約数和(自身を除く): 307766984

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 76481, 152962, 305924, 535367, 611848, 1070734, 2141468, 4282936, 4665341, 9330682, 18661364, 32657387, 37322728, 65314774, 130629548, 261259096]

約数ペア:

[(1, 261259096), (2, 130629548), (4, 65314774), (7, 37322728), (8, 32657387), (14, 18661364), (28, 9330682), (56, 4665341), (61, 4282936), (122, 2141468), (244, 1070734), (427, 611848), (488, 535367), (854, 305924), (1708, 152962), (3416, 76481)]