289421210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{36497}}^1$

素因数の和:36578

約数の個数: 32

約数和(自身を含む): 570244752

約数和(自身を除く): 280823542

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 7930, 36497, 72994, 182485, 364970, 474461, 948922, 2226317, 2372305, 4452634, 4744610, 11131585, 22263170, 28942121, 57884242, 144710605, 289421210]

約数ペア:

[(1, 289421210), (2, 144710605), (5, 57884242), (10, 28942121), (13, 22263170), (26, 11131585), (61, 4744610), (65, 4452634), (122, 2372305), (130, 2226317), (305, 948922), (610, 474461), (793, 364970), (1586, 182485), (3965, 72994), (7930, 36497)]