778827328

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{640483}}^1$

素因数の和:640514

約数の個数: 28

約数和(自身を含む): 1626829360

約数和(自身を除く): 848002032

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 640483, 1280966, 2561932, 5123864, 10247728, 12169177, 20495456, 24338354, 40990912, 48676708, 97353416, 194706832, 389413664, 778827328]

約数ペア:

[(1, 778827328), (2, 389413664), (4, 194706832), (8, 97353416), (16, 48676708), (19, 40990912), (32, 24338354), (38, 20495456), (64, 12169177), (76, 10247728), (152, 5123864), (304, 2561932), (608, 1280966), (1216, 640483)]