208665464

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{120199}}^1$

素因数の和:120243

約数の個数: 32

約数和(自身を含む): 461568000

約数和(自身を除く): 252902536

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 120199, 240398, 480796, 841393, 961592, 1682786, 3365572, 3726169, 6731144, 7452338, 14904676, 26083183, 29809352, 52166366, 104332732, 208665464]

約数ペア:

[(1, 208665464), (2, 104332732), (4, 52166366), (7, 29809352), (8, 26083183), (14, 14904676), (28, 7452338), (31, 6731144), (56, 3726169), (62, 3365572), (124, 1682786), (217, 961592), (248, 841393), (434, 480796), (868, 240398), (1736, 120199)]