90520778

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 146188800

約数和(自身を除く): 55668022

約数列:

[1, 2, 23, 46, 47, 94, 149, 281, 298, 562, 1081, 2162, 3427, 6463, 6854, 7003, 12926, 13207, 14006, 26414, 41869, 83738, 161069, 303761, 322138, 607522, 962987, 1925974, 1967843, 3935686, 45260389, 90520778]

約数ペア:

[(1, 90520778), (2, 45260389), (23, 3935686), (46, 1967843), (47, 1925974), (94, 962987), (149, 607522), (281, 322138), (298, 303761), (562, 161069), (1081, 83738), (2162, 41869), (3427, 26414), (6463, 14006), (6854, 13207), (7003, 12926)]