81761104

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{599}}^1$

素因数の和:1075

約数の個数: 40

約数和(自身を含む): 167400000

約数和(自身を除く): 85638896

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 449, 599, 898, 1198, 1796, 2396, 3592, 4792, 7184, 8531, 9584, 11381, 17062, 22762, 34124, 45524, 68248, 91048, 136496, 182096, 268951, 537902, 1075804, 2151608, 4303216, 5110069, 10220138, 20440276, 40880552, 81761104]

約数ペア:

[(1, 81761104), (2, 40880552), (4, 20440276), (8, 10220138), (16, 5110069), (19, 4303216), (38, 2151608), (76, 1075804), (152, 537902), (304, 268951), (449, 182096), (599, 136496), (898, 91048), (1198, 68248), (1796, 45524), (2396, 34124), (3592, 22762), (4792, 17062), (7184, 11381), (8531, 9584)]