131356248

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 335819520

約数和(自身を除く): 204463272

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 157, 213, 284, 314, 426, 471, 491, 568, 628, 852, 942, 982, 1256, 1473, 1704, 1884, 1964, 2946, 3768, 3928, 5892, 11147, 11784, 22294, 33441, 34861, 44588, 66882, 69722, 77087, 89176, 104583, 133764, 139444, 154174, 209166, 231261, 267528, 278888, 308348, 418332, 462522, 616696, 836664, 925044, 1850088, 5473177, 10946354, 16419531, 21892708, 32839062, 43785416, 65678124, 131356248]

約数ペア:

[(1, 131356248), (2, 65678124), (3, 43785416), (4, 32839062), (6, 21892708), (8, 16419531), (12, 10946354), (24, 5473177), (71, 1850088), (142, 925044), (157, 836664), (213, 616696), (284, 462522), (314, 418332), (426, 308348), (471, 278888), (491, 267528), (568, 231261), (628, 209166), (852, 154174), (942, 139444), (982, 133764), (1256, 104583), (1473, 89176), (1704, 77087), (1884, 69722), (1964, 66882), (2946, 44588), (3768, 34861), (3928, 33441), (5892, 22294), (11147, 11784)]