666406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 24

約数和(自身を含む): 1152144

約数和(自身を除く): 485738

約数列:

[1, 2, 13, 19, 26, 38, 71, 142, 247, 361, 494, 722, 923, 1349, 1846, 2698, 4693, 9386, 17537, 25631, 35074, 51262, 333203, 666406]

約数ペア:

[(1, 666406), (2, 333203), (13, 51262), (19, 35074), (26, 25631), (38, 17537), (71, 9386), (142, 4693), (247, 2698), (361, 1846), (494, 1349), (722, 923)]