1640251965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{136177}}^1$

素因数の和:136269

約数の個数: 32

約数和(自身を含む): 2902225536

約数和(自身を除く): 1261973571

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 165, 219, 365, 803, 1095, 2409, 4015, 12045, 136177, 408531, 680885, 1497947, 2042655, 4493841, 7489735, 9940921, 22469205, 29822763, 49704605, 109350131, 149113815, 328050393, 546750655, 1640251965]

約数ペア:

[(1, 1640251965), (3, 546750655), (5, 328050393), (11, 149113815), (15, 109350131), (33, 49704605), (55, 29822763), (73, 22469205), (165, 9940921), (219, 7489735), (365, 4493841), (803, 2042655), (1095, 1497947), (2409, 680885), (4015, 408531), (12045, 136177)]