81517910

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{599}}^1$

素因数の和:1076

約数の個数: 32

約数和(自身を含む): 152064000

約数和(自身を除く): 70546090

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 439, 599, 878, 1198, 2195, 2995, 4390, 5990, 13609, 18569, 27218, 37138, 68045, 92845, 136090, 185690, 262961, 525922, 1314805, 2629610, 8151791, 16303582, 40758955, 81517910]

約数ペア:

[(1, 81517910), (2, 40758955), (5, 16303582), (10, 8151791), (31, 2629610), (62, 1314805), (155, 525922), (310, 262961), (439, 185690), (599, 136090), (878, 92845), (1198, 68045), (2195, 37138), (2995, 27218), (4390, 18569), (5990, 13609)]