128897384

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{209249}}^1$

素因数の和:209273

約数の個数: 32

約数和(自身を含む): 301320000

約数和(自身を除く): 172422616

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 209249, 418498, 836996, 1464743, 1673992, 2301739, 2929486, 4603478, 5858972, 9206956, 11717944, 16112173, 18413912, 32224346, 64448692, 128897384]

約数ペア:

[(1, 128897384), (2, 64448692), (4, 32224346), (7, 18413912), (8, 16112173), (11, 11717944), (14, 9206956), (22, 5858972), (28, 4603478), (44, 2929486), (56, 2301739), (77, 1673992), (88, 1464743), (154, 836996), (308, 418498), (616, 209249)]