71980454

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{641}}^1$

素因数の和:1280

約数の個数: 32

約数和(自身を含む): 133310016

約数和(自身を除く): 61329562

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 617, 641, 1234, 1282, 4319, 4487, 8021, 8333, 8638, 8974, 16042, 16666, 56147, 58331, 112294, 116662, 395497, 790994, 2768479, 5141461, 5536958, 10282922, 35990227, 71980454]

約数ペア:

[(1, 71980454), (2, 35990227), (7, 10282922), (13, 5536958), (14, 5141461), (26, 2768479), (91, 790994), (182, 395497), (617, 116662), (641, 112294), (1234, 58331), (1282, 56147), (4319, 16666), (4487, 16042), (8021, 8974), (8333, 8638)]