642970832

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197959}}^1$

素因数の和:198003

約数の個数: 40

約数和(自身を含む): 1472822400

約数和(自身を除く): 829851568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 197959, 395918, 791836, 1385713, 1583672, 2771426, 3167344, 5542852, 5740811, 11085704, 11481622, 22171408, 22963244, 40185677, 45926488, 80371354, 91852976, 160742708, 321485416, 642970832]

約数ペア:

[(1, 642970832), (2, 321485416), (4, 160742708), (7, 91852976), (8, 80371354), (14, 45926488), (16, 40185677), (28, 22963244), (29, 22171408), (56, 11481622), (58, 11085704), (112, 5740811), (116, 5542852), (203, 3167344), (232, 2771426), (406, 1583672), (464, 1385713), (812, 791836), (1624, 395918), (3248, 197959)]