28008396

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19949}}^1$

素因数の和:19975

約数の個数: 48

約数和(自身を含む): 78204000

約数和(自身を除く): 50195604

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 19949, 39898, 59847, 79796, 119694, 179541, 239388, 259337, 359082, 518674, 538623, 718164, 778011, 1037348, 1077246, 1556022, 2154492, 2334033, 3112044, 4668066, 7002099, 9336132, 14004198, 28008396]

約数ペア:

[(1, 28008396), (2, 14004198), (3, 9336132), (4, 7002099), (6, 4668066), (9, 3112044), (12, 2334033), (13, 2154492), (18, 1556022), (26, 1077246), (27, 1037348), (36, 778011), (39, 718164), (52, 538623), (54, 518674), (78, 359082), (108, 259337), (117, 239388), (156, 179541), (234, 119694), (351, 79796), (468, 59847), (702, 39898), (1404, 19949)]