81631270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{6983}}^1$

素因数の和:7164

約数の個数: 32

約数和(自身を含む): 168956928

約数和(自身を除く): 87325658

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 167, 334, 835, 1169, 1670, 2338, 5845, 6983, 11690, 13966, 34915, 48881, 69830, 97762, 244405, 488810, 1166161, 2332322, 5830805, 8163127, 11661610, 16326254, 40815635, 81631270]

約数ペア:

[(1, 81631270), (2, 40815635), (5, 16326254), (7, 11661610), (10, 8163127), (14, 5830805), (35, 2332322), (70, 1166161), (167, 488810), (334, 244405), (835, 97762), (1169, 69830), (1670, 48881), (2338, 34915), (5845, 13966), (6983, 11690)]