209465498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{631}}^1$

素因数の和:914

約数の個数: 32

約数和(自身を含む): 349470720

約数和(自身を除く): 140005222

約数列:

[1, 2, 11, 22, 79, 158, 191, 382, 631, 869, 1262, 1738, 2101, 4202, 6941, 13882, 15089, 30178, 49849, 99698, 120521, 165979, 241042, 331958, 548339, 1096678, 1325731, 2651462, 9521159, 19042318, 104732749, 209465498]

約数ペア:

[(1, 209465498), (2, 104732749), (11, 19042318), (22, 9521159), (79, 2651462), (158, 1325731), (191, 1096678), (382, 548339), (631, 331958), (869, 241042), (1262, 165979), (1738, 120521), (2101, 99698), (4202, 49849), (6941, 30178), (13882, 15089)]