128725888

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{32441}}^1$

素因数の和:32486

約数の個数: 32

約数和(自身を含む): 264726720

約数和(自身を除く): 136000832

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 32441, 64882, 129764, 259528, 519056, 1005671, 1038112, 2011342, 2076224, 4022684, 4152448, 8045368, 16090736, 32181472, 64362944, 128725888]

約数ペア:

[(1, 128725888), (2, 64362944), (4, 32181472), (8, 16090736), (16, 8045368), (31, 4152448), (32, 4022684), (62, 2076224), (64, 2011342), (124, 1038112), (128, 1005671), (248, 519056), (496, 259528), (992, 129764), (1984, 64882), (3968, 32441)]