8731398

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 20385792

約数和(自身を除く): 11654394

約数列:

[1, 2, 3, 6, 13, 23, 26, 31, 39, 46, 62, 69, 78, 93, 138, 157, 186, 299, 314, 403, 471, 598, 713, 806, 897, 942, 1209, 1426, 1794, 2041, 2139, 2418, 3611, 4082, 4278, 4867, 6123, 7222, 9269, 9734, 10833, 12246, 14601, 18538, 21666, 27807, 29202, 46943, 55614, 63271, 93886, 111941, 126542, 140829, 189813, 223882, 281658, 335823, 379626, 671646, 1455233, 2910466, 4365699, 8731398]

約数ペア:

[(1, 8731398), (2, 4365699), (3, 2910466), (6, 1455233), (13, 671646), (23, 379626), (26, 335823), (31, 281658), (39, 223882), (46, 189813), (62, 140829), (69, 126542), (78, 111941), (93, 93886), (138, 63271), (157, 55614), (186, 46943), (299, 29202), (314, 27807), (403, 21666), (471, 18538), (598, 14601), (713, 12246), (806, 10833), (897, 9734), (942, 9269), (1209, 7222), (1426, 6123), (1794, 4867), (2041, 4278), (2139, 4082), (2418, 3611)]