84682390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21013}}^1$

素因数の和:21064

約数の個数: 32

約数和(自身を含む): 169456896

約数和(自身を除く): 84774506

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 21013, 42026, 105065, 210130, 273169, 546338, 651403, 1302806, 1365845, 2731690, 3257015, 6514030, 8468239, 16936478, 42341195, 84682390]

約数ペア:

[(1, 84682390), (2, 42341195), (5, 16936478), (10, 8468239), (13, 6514030), (26, 3257015), (31, 2731690), (62, 1365845), (65, 1302806), (130, 651403), (155, 546338), (310, 273169), (403, 210130), (806, 105065), (2015, 42026), (4030, 21013)]