28874844

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:887

約数の個数: 72

約数和(自身を含む): 78029952

約数和(自身を除く): 49155108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 43, 46, 69, 86, 92, 129, 138, 172, 207, 258, 276, 387, 414, 516, 774, 811, 828, 989, 1548, 1622, 1978, 2433, 2967, 3244, 3956, 4866, 5934, 7299, 8901, 9732, 11868, 14598, 17802, 18653, 29196, 34873, 35604, 37306, 55959, 69746, 74612, 104619, 111918, 139492, 167877, 209238, 223836, 313857, 335754, 418476, 627714, 671508, 802079, 1255428, 1604158, 2406237, 3208316, 4812474, 7218711, 9624948, 14437422, 28874844]

約数ペア:

[(1, 28874844), (2, 14437422), (3, 9624948), (4, 7218711), (6, 4812474), (9, 3208316), (12, 2406237), (18, 1604158), (23, 1255428), (36, 802079), (43, 671508), (46, 627714), (69, 418476), (86, 335754), (92, 313857), (129, 223836), (138, 209238), (172, 167877), (207, 139492), (258, 111918), (276, 104619), (387, 74612), (414, 69746), (516, 55959), (774, 37306), (811, 35604), (828, 34873), (989, 29196), (1548, 18653), (1622, 17802), (1978, 14598), (2433, 11868), (2967, 9732), (3244, 8901), (3956, 7299), (4866, 5934)]