71005428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{877}}^1$

素因数の和:1073

約数の個数: 72

約数和(自身を含む): 194631528

約数和(自身を除く): 123626100

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 173, 234, 346, 468, 519, 692, 877, 1038, 1557, 1754, 2076, 2249, 2631, 3114, 3508, 4498, 5262, 6228, 6747, 7893, 8996, 10524, 11401, 13494, 15786, 20241, 22802, 26988, 31572, 34203, 40482, 45604, 68406, 80964, 102609, 136812, 151721, 205218, 303442, 410436, 455163, 606884, 910326, 1365489, 1820652, 1972373, 2730978, 3944746, 5461956, 5917119, 7889492, 11834238, 17751357, 23668476, 35502714, 71005428]

約数ペア:

[(1, 71005428), (2, 35502714), (3, 23668476), (4, 17751357), (6, 11834238), (9, 7889492), (12, 5917119), (13, 5461956), (18, 3944746), (26, 2730978), (36, 1972373), (39, 1820652), (52, 1365489), (78, 910326), (117, 606884), (156, 455163), (173, 410436), (234, 303442), (346, 205218), (468, 151721), (519, 136812), (692, 102609), (877, 80964), (1038, 68406), (1557, 45604), (1754, 40482), (2076, 34203), (2249, 31572), (2631, 26988), (3114, 22802), (3508, 20241), (4498, 15786), (5262, 13494), (6228, 11401), (6747, 10524), (7893, 8996)]