28657310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 60217344

約数和(自身を除く): 31560034

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 47, 55, 94, 110, 115, 230, 235, 241, 253, 470, 482, 506, 517, 1034, 1081, 1205, 1265, 2162, 2410, 2530, 2585, 2651, 5170, 5302, 5405, 5543, 10810, 11086, 11327, 11891, 13255, 22654, 23782, 26510, 27715, 55430, 56635, 59455, 60973, 113270, 118910, 121946, 124597, 249194, 260521, 304865, 521042, 609730, 622985, 1245970, 1302605, 2605210, 2865731, 5731462, 14328655, 28657310]

約数ペア:

[(1, 28657310), (2, 14328655), (5, 5731462), (10, 2865731), (11, 2605210), (22, 1302605), (23, 1245970), (46, 622985), (47, 609730), (55, 521042), (94, 304865), (110, 260521), (115, 249194), (230, 124597), (235, 121946), (241, 118910), (253, 113270), (470, 60973), (482, 59455), (506, 56635), (517, 55430), (1034, 27715), (1081, 26510), (1205, 23782), (1265, 22654), (2162, 13255), (2410, 11891), (2530, 11327), (2585, 11086), (2651, 10810), (5170, 5543), (5302, 5405)]