326528072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{165247}}^1$

素因数の和:165285

約数の個数: 32

約数和(自身を含む): 694041600

約数和(自身を除く): 367513528

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 165247, 330494, 660988, 1321976, 2148211, 3139693, 4296422, 6279386, 8592844, 12558772, 17185688, 25117544, 40816009, 81632018, 163264036, 326528072]

約数ペア:

[(1, 326528072), (2, 163264036), (4, 81632018), (8, 40816009), (13, 25117544), (19, 17185688), (26, 12558772), (38, 8592844), (52, 6279386), (76, 4296422), (104, 3139693), (152, 2148211), (247, 1321976), (494, 660988), (988, 330494), (1976, 165247)]