81983518

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 134174880

約数和(自身を除く): 52191362

約数列:

[1, 2, 19, 38, 41, 82, 101, 202, 521, 779, 1042, 1558, 1919, 3838, 4141, 8282, 9899, 19798, 21361, 42722, 52621, 78679, 105242, 157358, 405859, 811718, 999799, 1999598, 2157461, 4314922, 40991759, 81983518]

約数ペア:

[(1, 81983518), (2, 40991759), (19, 4314922), (38, 2157461), (41, 1999598), (82, 999799), (101, 811718), (202, 405859), (521, 157358), (779, 105242), (1042, 78679), (1558, 52621), (1919, 42722), (3838, 21361), (4141, 19798), (8282, 9899)]