81744830

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{1579}}^1$

素因数の和:1784

約数の個数: 32

約数和(自身を含む): 152893440

約数和(自身を除く): 71148610

約数列:

[1, 2, 5, 10, 31, 62, 155, 167, 310, 334, 835, 1579, 1670, 3158, 5177, 7895, 10354, 15790, 25885, 48949, 51770, 97898, 244745, 263693, 489490, 527386, 1318465, 2636930, 8174483, 16348966, 40872415, 81744830]

約数ペア:

[(1, 81744830), (2, 40872415), (5, 16348966), (10, 8174483), (31, 2636930), (62, 1318465), (155, 527386), (167, 489490), (310, 263693), (334, 244745), (835, 97898), (1579, 51770), (1670, 48949), (3158, 25885), (5177, 15790), (7895, 10354)]