81265808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{16987}}^1$

素因数の和:17031

約数の個数: 40

約数和(自身を含む): 176947008

約数和(自身を除く): 95681200

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4784, 16987, 33974, 67948, 135896, 220831, 271792, 390701, 441662, 781402, 883324, 1562804, 1766648, 3125608, 3533296, 5079113, 6251216, 10158226, 20316452, 40632904, 81265808]

約数ペア:

[(1, 81265808), (2, 40632904), (4, 20316452), (8, 10158226), (13, 6251216), (16, 5079113), (23, 3533296), (26, 3125608), (46, 1766648), (52, 1562804), (92, 883324), (104, 781402), (184, 441662), (208, 390701), (299, 271792), (368, 220831), (598, 135896), (1196, 67948), (2392, 33974), (4784, 16987)]