84553430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20981}}^1$

素因数の和:21032

約数の個数: 32

約数和(自身を含む): 169198848

約数和(自身を除く): 84645418

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 20981, 41962, 104905, 209810, 272753, 545506, 650411, 1300822, 1363765, 2727530, 3252055, 6504110, 8455343, 16910686, 42276715, 84553430]

約数ペア:

[(1, 84553430), (2, 42276715), (5, 16910686), (10, 8455343), (13, 6504110), (26, 3252055), (31, 2727530), (62, 1363765), (65, 1300822), (130, 650411), (155, 545506), (310, 272753), (403, 209810), (806, 104905), (2015, 41962), (4030, 20981)]