128581216

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{829}}^1$

素因数の和:1007

約数の個数: 48

約数和(自身を含む): 262286640

約数和(自身を除く): 133705424

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 131, 148, 262, 296, 524, 592, 829, 1048, 1184, 1658, 2096, 3316, 4192, 4847, 6632, 9694, 13264, 19388, 26528, 30673, 38776, 61346, 77552, 108599, 122692, 155104, 217198, 245384, 434396, 490768, 868792, 981536, 1737584, 3475168, 4018163, 8036326, 16072652, 32145304, 64290608, 128581216]

約数ペア:

[(1, 128581216), (2, 64290608), (4, 32145304), (8, 16072652), (16, 8036326), (32, 4018163), (37, 3475168), (74, 1737584), (131, 981536), (148, 868792), (262, 490768), (296, 434396), (524, 245384), (592, 217198), (829, 155104), (1048, 122692), (1184, 108599), (1658, 77552), (2096, 61346), (3316, 38776), (4192, 30673), (4847, 26528), (6632, 19388), (9694, 13264)]