621567128

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{65677}}^1$

素因数の和:65716

約数の個数: 48

約数和(自身を含む): 1442288880

約数和(自身を除く): 820721752

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 169, 182, 338, 364, 676, 728, 1183, 1352, 2366, 4732, 9464, 65677, 131354, 262708, 459739, 525416, 853801, 919478, 1707602, 1838956, 3415204, 3677912, 5976607, 6830408, 11099413, 11953214, 22198826, 23906428, 44397652, 47812856, 77695891, 88795304, 155391782, 310783564, 621567128]

約数ペア:

[(1, 621567128), (2, 310783564), (4, 155391782), (7, 88795304), (8, 77695891), (13, 47812856), (14, 44397652), (26, 23906428), (28, 22198826), (52, 11953214), (56, 11099413), (91, 6830408), (104, 5976607), (169, 3677912), (182, 3415204), (338, 1838956), (364, 1707602), (676, 919478), (728, 853801), (1183, 525416), (1352, 459739), (2366, 262708), (4732, 131354), (9464, 65677)]