128972648

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{74293}}^1$

素因数の和:74337

約数の個数: 32

約数和(自身を含む): 285288960

約数和(自身を除く): 156316312

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 74293, 148586, 297172, 520051, 594344, 1040102, 2080204, 2303083, 4160408, 4606166, 9212332, 16121581, 18424664, 32243162, 64486324, 128972648]

約数ペア:

[(1, 128972648), (2, 64486324), (4, 32243162), (7, 18424664), (8, 16121581), (14, 9212332), (28, 4606166), (31, 4160408), (56, 2303083), (62, 2080204), (124, 1040102), (217, 594344), (248, 520051), (434, 297172), (868, 148586), (1736, 74293)]