71688890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78779}}^1$

素因数の和:78806

約数の個数: 32

約数和(自身を含む): 158820480

約数和(自身を除く): 87131590

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 78779, 157558, 393895, 551453, 787790, 1024127, 1102906, 2048254, 2757265, 5120635, 5514530, 7168889, 10241270, 14337778, 35844445, 71688890]

約数ペア:

[(1, 71688890), (2, 35844445), (5, 14337778), (7, 10241270), (10, 7168889), (13, 5514530), (14, 5120635), (26, 2757265), (35, 2048254), (65, 1102906), (70, 1024127), (91, 787790), (130, 551453), (182, 393895), (455, 157558), (910, 78779)]