668804979184

素因数分解:

$2^4\times {\mathrm{16063}}^1\times {\mathrm{2602273}}^1$

素因数の和:2618344

約数の個数: 20

約数和(自身を含む): 1295890815616

約数和(自身を除く): 627085836432

約数列:

[1, 2, 4, 8, 16, 16063, 32126, 64252, 128504, 257008, 2602273, 5204546, 10409092, 20818184, 41636368, 41800311199, 83600622398, 167201244796, 334402489592, 668804979184]

約数ペア:

[(1, 668804979184), (2, 334402489592), (4, 167201244796), (8, 83600622398), (16, 41800311199), (16063, 41636368), (32126, 20818184), (64252, 10409092), (128504, 5204546), (257008, 2602273)]