28559245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{677}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 41005440

約数和(自身を除く): 12446195

約数列:

[1, 5, 11, 13, 55, 59, 65, 143, 295, 649, 677, 715, 767, 3245, 3385, 3835, 7447, 8437, 8801, 37235, 39943, 42185, 44005, 96811, 199715, 439373, 484055, 519259, 2196865, 2596295, 5711849, 28559245]

約数ペア:

[(1, 28559245), (5, 5711849), (11, 2596295), (13, 2196865), (55, 519259), (59, 484055), (65, 439373), (143, 199715), (295, 96811), (649, 44005), (677, 42185), (715, 39943), (767, 37235), (3245, 8801), (3385, 8437), (3835, 7447)]