64739675

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 108921600

約数和(自身を除く): 44181925

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 169, 175, 199, 275, 325, 385, 455, 715, 845, 995, 1001, 1183, 1393, 1859, 1925, 2189, 2275, 2587, 3575, 4225, 4975, 5005, 5915, 6965, 9295, 10945, 12935, 13013, 15323, 18109, 25025, 28457, 29575, 33631, 34825, 46475, 54725, 64675, 65065, 76615, 90545, 142285, 168155, 199199, 235417, 325325, 369941, 383075, 452725, 711425, 840775, 995995, 1177085, 1849705, 2589587, 4979975, 5885425, 9248525, 12947935, 64739675]

約数ペア:

[(1, 64739675), (5, 12947935), (7, 9248525), (11, 5885425), (13, 4979975), (25, 2589587), (35, 1849705), (55, 1177085), (65, 995995), (77, 840775), (91, 711425), (143, 452725), (169, 383075), (175, 369941), (199, 325325), (275, 235417), (325, 199199), (385, 168155), (455, 142285), (715, 90545), (845, 76615), (995, 65065), (1001, 64675), (1183, 54725), (1393, 46475), (1859, 34825), (1925, 33631), (2189, 29575), (2275, 28457), (2587, 25025), (3575, 18109), (4225, 15323), (4975, 13013), (5005, 12935), (5915, 10945), (6965, 9295)]