1998577154

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{118273}}^1$

素因数の和:118370

約数の個数: 32

約数和(自身を含む): 3678794496

約数和(自身を除く): 1680217342

約数列:

[1, 2, 7, 14, 17, 34, 71, 119, 142, 238, 497, 994, 1207, 2414, 8449, 16898, 118273, 236546, 827911, 1655822, 2010641, 4021282, 8397383, 14074487, 16794766, 28148974, 58781681, 117563362, 142755511, 285511022, 999288577, 1998577154]

約数ペア:

[(1, 1998577154), (2, 999288577), (7, 285511022), (14, 142755511), (17, 117563362), (34, 58781681), (71, 28148974), (119, 16794766), (142, 14074487), (238, 8397383), (497, 4021282), (994, 2010641), (1207, 1655822), (2414, 827911), (8449, 236546), (16898, 118273)]