28814868

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 77604800

約数和(自身を除く): 48789932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 103, 114, 171, 206, 228, 309, 342, 409, 412, 618, 684, 818, 927, 1227, 1236, 1636, 1854, 1957, 2454, 3681, 3708, 3914, 4908, 5871, 7362, 7771, 7828, 11742, 14724, 15542, 17613, 23313, 23484, 31084, 35226, 42127, 46626, 69939, 70452, 84254, 93252, 126381, 139878, 168508, 252762, 279756, 379143, 505524, 758286, 800413, 1516572, 1600826, 2401239, 3201652, 4802478, 7203717, 9604956, 14407434, 28814868]

約数ペア:

[(1, 28814868), (2, 14407434), (3, 9604956), (4, 7203717), (6, 4802478), (9, 3201652), (12, 2401239), (18, 1600826), (19, 1516572), (36, 800413), (38, 758286), (57, 505524), (76, 379143), (103, 279756), (114, 252762), (171, 168508), (206, 139878), (228, 126381), (309, 93252), (342, 84254), (409, 70452), (412, 69939), (618, 46626), (684, 42127), (818, 35226), (927, 31084), (1227, 23484), (1236, 23313), (1636, 17613), (1854, 15542), (1957, 14724), (2454, 11742), (3681, 7828), (3708, 7771), (3914, 7362), (4908, 5871)]