81808184

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{883}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 158218320

約数和(自身を除く): 76410136

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 313, 626, 883, 1252, 1766, 2504, 3532, 7064, 11581, 23162, 32671, 46324, 65342, 92648, 130684, 261368, 276379, 552758, 1105516, 2211032, 10226023, 20452046, 40904092, 81808184]

約数ペア:

[(1, 81808184), (2, 40904092), (4, 20452046), (8, 10226023), (37, 2211032), (74, 1105516), (148, 552758), (296, 276379), (313, 261368), (626, 130684), (883, 92648), (1252, 65342), (1766, 46324), (2504, 32671), (3532, 23162), (7064, 11581)]