81633128

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{409}}^2$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 155952630

約数和(自身を除く): 74319502

約数列:

[1, 2, 4, 8, 61, 122, 244, 409, 488, 818, 1636, 3272, 24949, 49898, 99796, 167281, 199592, 334562, 669124, 1338248, 10204141, 20408282, 40816564, 81633128]

約数ペア:

[(1, 81633128), (2, 40816564), (4, 20408282), (8, 10204141), (61, 1338248), (122, 669124), (244, 334562), (409, 199592), (488, 167281), (818, 99796), (1636, 49898), (3272, 24949)]