289496740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{65497}}^1$

素因数の和:65536

約数の個数: 48

約数和(自身を含む): 693230832

約数和(自身を除く): 403734092

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 65497, 130994, 261988, 327485, 654970, 851461, 1113449, 1309940, 1702922, 2226898, 3405844, 4257305, 4453796, 5567245, 8514610, 11134490, 14474837, 17029220, 22268980, 28949674, 57899348, 72374185, 144748370, 289496740]

約数ペア:

[(1, 289496740), (2, 144748370), (4, 72374185), (5, 57899348), (10, 28949674), (13, 22268980), (17, 17029220), (20, 14474837), (26, 11134490), (34, 8514610), (52, 5567245), (65, 4453796), (68, 4257305), (85, 3405844), (130, 2226898), (170, 1702922), (221, 1309940), (260, 1113449), (340, 851461), (442, 654970), (884, 327485), (1105, 261988), (2210, 130994), (4420, 65497)]