83876390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1601}}^1$

素因数の和:1665

約数の個数: 48

約数和(自身を含む): 168863616

約数和(自身を除く): 84987226

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1601, 1690, 2015, 3202, 4030, 5239, 8005, 10478, 16010, 20813, 26195, 41626, 49631, 52390, 99262, 104065, 208130, 248155, 270569, 496310, 541138, 645203, 1290406, 1352845, 2705690, 3226015, 6452030, 8387639, 16775278, 41938195, 83876390]

約数ペア:

[(1, 83876390), (2, 41938195), (5, 16775278), (10, 8387639), (13, 6452030), (26, 3226015), (31, 2705690), (62, 1352845), (65, 1290406), (130, 645203), (155, 541138), (169, 496310), (310, 270569), (338, 248155), (403, 208130), (806, 104065), (845, 99262), (1601, 52390), (1690, 49631), (2015, 41626), (3202, 26195), (4030, 20813), (5239, 16010), (8005, 10478)]