253256887

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 298045440

約数和(自身を除く): 44788553

約数列:

[1, 13, 23, 31, 89, 299, 307, 403, 713, 1157, 2047, 2759, 3991, 7061, 9269, 9517, 26611, 27323, 35867, 63457, 91793, 123721, 218891, 355199, 628429, 824941, 847013, 2845583, 8169577, 11011169, 19481299, 253256887]

約数ペア:

[(1, 253256887), (13, 19481299), (23, 11011169), (31, 8169577), (89, 2845583), (299, 847013), (307, 824941), (403, 628429), (713, 355199), (1157, 218891), (2047, 123721), (2759, 91793), (3991, 63457), (7061, 35867), (9269, 27323), (9517, 26611)]