128131184

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{258329}}^1$

素因数の和:258368

約数の個数: 20

約数和(自身を含む): 256263360

約数和(自身を除く): 128132176

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 258329, 516658, 1033316, 2066632, 4133264, 8008199, 16016398, 32032796, 64065592, 128131184]

約数ペア:

[(1, 128131184), (2, 64065592), (4, 32032796), (8, 16016398), (16, 8008199), (31, 4133264), (62, 2066632), (124, 1033316), (248, 516658), (496, 258329)]