128629228

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1129}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 278178880

約数和(自身を除く): 149549652

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 313, 364, 626, 1129, 1252, 2191, 2258, 4069, 4382, 4516, 7903, 8138, 8764, 14677, 15806, 16276, 28483, 29354, 31612, 56966, 58708, 102739, 113932, 205478, 353377, 410956, 706754, 1413508, 2473639, 4593901, 4947278, 9187802, 9894556, 18375604, 32157307, 64314614, 128629228]

約数ペア:

[(1, 128629228), (2, 64314614), (4, 32157307), (7, 18375604), (13, 9894556), (14, 9187802), (26, 4947278), (28, 4593901), (52, 2473639), (91, 1413508), (182, 706754), (313, 410956), (364, 353377), (626, 205478), (1129, 113932), (1252, 102739), (2191, 58708), (2258, 56966), (4069, 31612), (4382, 29354), (4516, 28483), (7903, 16276), (8138, 15806), (8764, 14677)]