258856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 554400

約数和(自身を除く): 295544

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 131, 152, 247, 262, 494, 524, 988, 1048, 1703, 1976, 2489, 3406, 4978, 6812, 9956, 13624, 19912, 32357, 64714, 129428, 258856]

約数ペア:

[(1, 258856), (2, 129428), (4, 64714), (8, 32357), (13, 19912), (19, 13624), (26, 9956), (38, 6812), (52, 4978), (76, 3406), (104, 2489), (131, 1976), (152, 1703), (247, 1048), (262, 988), (494, 524)]