28301845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1773

約数の個数: 32

約数和(自身を含む): 41658624

約数和(自身を除く): 13356779

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 253, 299, 715, 1265, 1495, 1721, 3289, 8605, 16445, 18931, 22373, 39583, 94655, 111865, 197915, 246103, 435413, 514579, 1230515, 2177065, 2572895, 5660369, 28301845]

約数ペア:

[(1, 28301845), (5, 5660369), (11, 2572895), (13, 2177065), (23, 1230515), (55, 514579), (65, 435413), (115, 246103), (143, 197915), (253, 111865), (299, 94655), (715, 39583), (1265, 22373), (1495, 18931), (1721, 16445), (3289, 8605)]