81534570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209063}}^1$

素因数の和:209086

約数の個数: 32

約数和(自身を含む): 210736512

約数和(自身を除く): 129201942

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 209063, 418126, 627189, 1045315, 1254378, 2090630, 2717819, 3135945, 5435638, 6271890, 8153457, 13589095, 16306914, 27178190, 40767285, 81534570]

約数ペア:

[(1, 81534570), (2, 40767285), (3, 27178190), (5, 16306914), (6, 13589095), (10, 8153457), (13, 6271890), (15, 5435638), (26, 3135945), (30, 2717819), (39, 2090630), (65, 1254378), (78, 1045315), (130, 627189), (195, 418126), (390, 209063)]