28409278

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{2137}}^1$

素因数の和:2196

約数の個数: 24

約数和(自身を含む): 47258352

約数和(自身を除く): 18849074

約数列:

[1, 2, 17, 23, 34, 46, 289, 391, 578, 782, 2137, 4274, 6647, 13294, 36329, 49151, 72658, 98302, 617593, 835567, 1235186, 1671134, 14204639, 28409278]

約数ペア:

[(1, 28409278), (2, 14204639), (17, 1671134), (23, 1235186), (34, 835567), (46, 617593), (289, 98302), (391, 72658), (578, 49151), (782, 36329), (2137, 13294), (4274, 6647)]