64689808

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{130423}}^1$

素因数の和:130462

約数の個数: 20

約数和(自身を含む): 129380608

約数和(自身を除く): 64690800

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 130423, 260846, 521692, 1043384, 2086768, 4043113, 8086226, 16172452, 32344904, 64689808]

約数ペア:

[(1, 64689808), (2, 32344904), (4, 16172452), (8, 8086226), (16, 4043113), (31, 2086768), (62, 1043384), (124, 521692), (248, 260846), (496, 130423)]