81981770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{33191}}^1$

素因数の和:33230

約数の個数: 32

約数和(自身を含む): 167287680

約数和(自身を除く): 85305910

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 33191, 66382, 165955, 331910, 431483, 630629, 862966, 1261258, 2157415, 3153145, 4314830, 6306290, 8198177, 16396354, 40990885, 81981770]

約数ペア:

[(1, 81981770), (2, 40990885), (5, 16396354), (10, 8198177), (13, 6306290), (19, 4314830), (26, 3153145), (38, 2157415), (65, 1261258), (95, 862966), (130, 630629), (190, 431483), (247, 331910), (494, 165955), (1235, 66382), (2470, 33191)]