201212142

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 435746304

約数和(自身を除く): 234534162

約数列:

[1, 2, 3, 6, 23, 37, 46, 69, 74, 111, 138, 157, 222, 251, 314, 471, 502, 753, 851, 942, 1506, 1702, 2553, 3611, 5106, 5773, 5809, 7222, 9287, 10833, 11546, 11618, 17319, 17427, 18574, 21666, 27861, 34638, 34854, 39407, 55722, 78814, 118221, 133607, 213601, 236442, 267214, 400821, 427202, 640803, 801642, 906361, 1281606, 1458059, 1812722, 2719083, 2916118, 4374177, 5438166, 8748354, 33535357, 67070714, 100606071, 201212142]

約数ペア:

[(1, 201212142), (2, 100606071), (3, 67070714), (6, 33535357), (23, 8748354), (37, 5438166), (46, 4374177), (69, 2916118), (74, 2719083), (111, 1812722), (138, 1458059), (157, 1281606), (222, 906361), (251, 801642), (314, 640803), (471, 427202), (502, 400821), (753, 267214), (851, 236442), (942, 213601), (1506, 133607), (1702, 118221), (2553, 78814), (3611, 55722), (5106, 39407), (5773, 34854), (5809, 34638), (7222, 27861), (9287, 21666), (10833, 18574), (11546, 17427), (11618, 17319)]