215125430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53381}}^1$

素因数の和:53432

約数の個数: 32

約数和(自身を含む): 430472448

約数和(自身を除く): 215347018

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 53381, 106762, 266905, 533810, 693953, 1387906, 1654811, 3309622, 3469765, 6939530, 8274055, 16548110, 21512543, 43025086, 107562715, 215125430]

約数ペア:

[(1, 215125430), (2, 107562715), (5, 43025086), (10, 21512543), (13, 16548110), (26, 8274055), (31, 6939530), (62, 3469765), (65, 3309622), (130, 1654811), (155, 1387906), (310, 693953), (403, 533810), (806, 266905), (2015, 106762), (4030, 53381)]