2208668

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 4935168

約数和(自身を除く): 2726500

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 101, 142, 154, 202, 284, 308, 404, 497, 707, 781, 994, 1111, 1414, 1562, 1988, 2222, 2828, 3124, 4444, 5467, 7171, 7777, 10934, 14342, 15554, 21868, 28684, 31108, 50197, 78881, 100394, 157762, 200788, 315524, 552167, 1104334, 2208668]

約数ペア:

[(1, 2208668), (2, 1104334), (4, 552167), (7, 315524), (11, 200788), (14, 157762), (22, 100394), (28, 78881), (44, 50197), (71, 31108), (77, 28684), (101, 21868), (142, 15554), (154, 14342), (202, 10934), (284, 7777), (308, 7171), (404, 5467), (497, 4444), (707, 3124), (781, 2828), (994, 2222), (1111, 1988), (1414, 1562)]