31478590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22013}}^1$

素因数の和:22044

約数の個数: 32

約数和(自身を含む): 66570336

約数和(自身を除く): 35091746

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 22013, 44026, 110065, 220130, 242143, 286169, 484286, 572338, 1210715, 1430845, 2421430, 2861690, 3147859, 6295718, 15739295, 31478590]

約数ペア:

[(1, 31478590), (2, 15739295), (5, 6295718), (10, 3147859), (11, 2861690), (13, 2421430), (22, 1430845), (26, 1210715), (55, 572338), (65, 484286), (110, 286169), (130, 242143), (143, 220130), (286, 110065), (715, 44026), (1430, 22013)]