71780888

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{863}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 138879360

約数和(自身を除く): 67098472

約数列:

[1, 2, 4, 8, 37, 74, 148, 281, 296, 562, 863, 1124, 1726, 2248, 3452, 6904, 10397, 20794, 31931, 41588, 63862, 83176, 127724, 242503, 255448, 485006, 970012, 1940024, 8972611, 17945222, 35890444, 71780888]

約数ペア:

[(1, 71780888), (2, 35890444), (4, 17945222), (8, 8972611), (37, 1940024), (74, 970012), (148, 485006), (281, 255448), (296, 242503), (562, 127724), (863, 83176), (1124, 63862), (1726, 41588), (2248, 31931), (3452, 20794), (6904, 10397)]