385427978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{16453}}^1$

素因数の和:16538

約数の個数: 32

約数和(自身を含む): 671718096

約数和(自身を除く): 286290118

約数列:

[1, 2, 13, 17, 26, 34, 53, 106, 221, 442, 689, 901, 1378, 1802, 11713, 16453, 23426, 32906, 213889, 279701, 427778, 559402, 872009, 1744018, 3636113, 7272226, 11336117, 14824153, 22672234, 29648306, 192713989, 385427978]

約数ペア:

[(1, 385427978), (2, 192713989), (13, 29648306), (17, 22672234), (26, 14824153), (34, 11336117), (53, 7272226), (106, 3636113), (221, 1744018), (442, 872009), (689, 559402), (901, 427778), (1378, 279701), (1802, 213889), (11713, 32906), (16453, 23426)]