639774564

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{372829}}^1$

素因数の和:372860

約数の個数: 48

約数和(自身を含む): 1753792320

約数和(自身を除く): 1114017756

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 372829, 745658, 1118487, 1491316, 2236974, 4101119, 4473948, 4846777, 8202238, 9693554, 12303357, 14540331, 16404476, 19387108, 24606714, 29080662, 49213428, 53314547, 58161324, 106629094, 159943641, 213258188, 319887282, 639774564]

約数ペア:

[(1, 639774564), (2, 319887282), (3, 213258188), (4, 159943641), (6, 106629094), (11, 58161324), (12, 53314547), (13, 49213428), (22, 29080662), (26, 24606714), (33, 19387108), (39, 16404476), (44, 14540331), (52, 12303357), (66, 9693554), (78, 8202238), (132, 4846777), (143, 4473948), (156, 4101119), (286, 2236974), (429, 1491316), (572, 1118487), (858, 745658), (1716, 372829)]