261029296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{78059}}^1$

素因数の和:78097

約数の個数: 40

約数和(自身を含む): 580766400

約数和(自身を除く): 319737104

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 78059, 156118, 312236, 624472, 858649, 1248944, 1483121, 1717298, 2966242, 3434596, 5932484, 6869192, 11864968, 13738384, 16314331, 23729936, 32628662, 65257324, 130514648, 261029296]

約数ペア:

[(1, 261029296), (2, 130514648), (4, 65257324), (8, 32628662), (11, 23729936), (16, 16314331), (19, 13738384), (22, 11864968), (38, 6869192), (44, 5932484), (76, 3434596), (88, 2966242), (152, 1717298), (176, 1483121), (209, 1248944), (304, 858649), (418, 624472), (836, 312236), (1672, 156118), (3344, 78059)]