639521808

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{579277}}^1$

素因数の和:579311

約数の個数: 40

約数和(自身を含む): 1723931328

約数和(自身を除く): 1084409520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 579277, 1158554, 1737831, 2317108, 3475662, 4634216, 6951324, 9268432, 13323371, 13902648, 26646742, 27805296, 39970113, 53293484, 79940226, 106586968, 159880452, 213173936, 319760904, 639521808]

約数ペア:

[(1, 639521808), (2, 319760904), (3, 213173936), (4, 159880452), (6, 106586968), (8, 79940226), (12, 53293484), (16, 39970113), (23, 27805296), (24, 26646742), (46, 13902648), (48, 13323371), (69, 9268432), (92, 6951324), (138, 4634216), (184, 3475662), (276, 2317108), (368, 1737831), (552, 1158554), (1104, 579277)]