61904830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15361}}^1$

素因数の和:15412

約数の個数: 32

約数和(自身を含む): 123879168

約数和(自身を除く): 61974338

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 15361, 30722, 76805, 153610, 199693, 399386, 476191, 952382, 998465, 1996930, 2380955, 4761910, 6190483, 12380966, 30952415, 61904830]

約数ペア:

[(1, 61904830), (2, 30952415), (5, 12380966), (10, 6190483), (13, 4761910), (26, 2380955), (31, 1996930), (62, 998465), (65, 952382), (130, 476191), (155, 399386), (310, 199693), (403, 153610), (806, 76805), (2015, 30722), (4030, 15361)]