128218788

素因数分解:

$2^2\times 3^4\times {\mathrm{395737}}^1$

素因数の和:395753

約数の個数: 30

約数和(自身を含む): 335190086

約数和(自身を除く): 206971298

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 395737, 791474, 1187211, 1582948, 2374422, 3561633, 4748844, 7123266, 10684899, 14246532, 21369798, 32054697, 42739596, 64109394, 128218788]

約数ペア:

[(1, 128218788), (2, 64109394), (3, 42739596), (4, 32054697), (6, 21369798), (9, 14246532), (12, 10684899), (18, 7123266), (27, 4748844), (36, 3561633), (54, 2374422), (81, 1582948), (108, 1187211), (162, 791474), (324, 395737)]