81204448

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{195203}}^1$

素因数の和:195226

約数の個数: 24

約数和(自身を含む): 172169928

約数和(自身を除く): 90965480

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 195203, 390406, 780812, 1561624, 2537639, 3123248, 5075278, 6246496, 10150556, 20301112, 40602224, 81204448]

約数ペア:

[(1, 81204448), (2, 40602224), (4, 20301112), (8, 10150556), (13, 6246496), (16, 5075278), (26, 3123248), (32, 2537639), (52, 1561624), (104, 780812), (208, 390406), (416, 195203)]