209542528

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{125927}}^1$

素因数の和:125954

約数の個数: 32

約数和(自身を含む): 449562960

約数和(自身を除く): 240020432

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 125927, 251854, 503708, 1007416, 1637051, 2014832, 3274102, 4029664, 6548204, 8059328, 13096408, 16118656, 26192816, 52385632, 104771264, 209542528]

約数ペア:

[(1, 209542528), (2, 104771264), (4, 52385632), (8, 26192816), (13, 16118656), (16, 13096408), (26, 8059328), (32, 6548204), (52, 4029664), (64, 3274102), (104, 2014832), (128, 1637051), (208, 1007416), (416, 503708), (832, 251854), (1664, 125927)]