28722012

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 74718336

約数和(自身を除く): 45996324

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 121, 131, 132, 151, 242, 262, 302, 363, 393, 453, 484, 524, 604, 726, 786, 906, 1441, 1452, 1572, 1661, 1812, 2882, 3322, 4323, 4983, 5764, 6644, 8646, 9966, 15851, 17292, 18271, 19781, 19932, 31702, 36542, 39562, 47553, 54813, 59343, 63404, 73084, 79124, 95106, 109626, 118686, 190212, 217591, 219252, 237372, 435182, 652773, 870364, 1305546, 2393501, 2611092, 4787002, 7180503, 9574004, 14361006, 28722012]

約数ペア:

[(1, 28722012), (2, 14361006), (3, 9574004), (4, 7180503), (6, 4787002), (11, 2611092), (12, 2393501), (22, 1305546), (33, 870364), (44, 652773), (66, 435182), (121, 237372), (131, 219252), (132, 217591), (151, 190212), (242, 118686), (262, 109626), (302, 95106), (363, 79124), (393, 73084), (453, 63404), (484, 59343), (524, 54813), (604, 47553), (726, 39562), (786, 36542), (906, 31702), (1441, 19932), (1452, 19781), (1572, 18271), (1661, 17292), (1812, 15851), (2882, 9966), (3322, 8646), (4323, 6644), (4983, 5764)]