664312831

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1811}}^1$

素因数の和:1999

約数の個数: 32

約数和(自身を含む): 852364800

約数和(自身を除く): 188051969

約数列:

[1, 7, 13, 29, 91, 139, 203, 377, 973, 1807, 1811, 2639, 4031, 12649, 12677, 23543, 28217, 52403, 52519, 164801, 251729, 366821, 367633, 682747, 1762103, 3272477, 4779229, 7300141, 22907339, 51100987, 94901833, 664312831]

約数ペア:

[(1, 664312831), (7, 94901833), (13, 51100987), (29, 22907339), (91, 7300141), (139, 4779229), (203, 3272477), (377, 1762103), (973, 682747), (1807, 367633), (1811, 366821), (2639, 251729), (4031, 164801), (12649, 52519), (12677, 52403), (23543, 28217)]