9874072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 21122640

約数和(自身を除く): 11248568

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 263, 361, 494, 526, 722, 988, 1052, 1444, 1976, 2104, 2888, 3419, 4693, 4997, 6838, 9386, 9994, 13676, 18772, 19988, 27352, 37544, 39976, 64961, 94943, 129922, 189886, 259844, 379772, 519688, 759544, 1234259, 2468518, 4937036, 9874072]

約数ペア:

[(1, 9874072), (2, 4937036), (4, 2468518), (8, 1234259), (13, 759544), (19, 519688), (26, 379772), (38, 259844), (52, 189886), (76, 129922), (104, 94943), (152, 64961), (247, 39976), (263, 37544), (361, 27352), (494, 19988), (526, 18772), (722, 13676), (988, 9994), (1052, 9386), (1444, 6838), (1976, 4997), (2104, 4693), (2888, 3419)]