16228888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 35481600

約数和(自身を除く): 19252712

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 43, 52, 76, 86, 104, 152, 172, 191, 247, 344, 382, 494, 559, 764, 817, 988, 1118, 1528, 1634, 1976, 2236, 2483, 3268, 3629, 4472, 4966, 6536, 7258, 8213, 9932, 10621, 14516, 16426, 19864, 21242, 29032, 32852, 42484, 47177, 65704, 84968, 94354, 106769, 156047, 188708, 213538, 312094, 377416, 427076, 624188, 854152, 1248376, 2028611, 4057222, 8114444, 16228888]

約数ペア:

[(1, 16228888), (2, 8114444), (4, 4057222), (8, 2028611), (13, 1248376), (19, 854152), (26, 624188), (38, 427076), (43, 377416), (52, 312094), (76, 213538), (86, 188708), (104, 156047), (152, 106769), (172, 94354), (191, 84968), (247, 65704), (344, 47177), (382, 42484), (494, 32852), (559, 29032), (764, 21242), (817, 19864), (988, 16426), (1118, 14516), (1528, 10621), (1634, 9932), (1976, 8213), (2236, 7258), (2483, 6536), (3268, 4966), (3629, 4472)]