28381470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1277

約数の個数: 64

約数和(自身を含む): 74620224

約数和(自身を除く): 46238754

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 78, 122, 130, 183, 195, 305, 366, 390, 610, 793, 915, 1193, 1586, 1830, 2379, 2386, 3579, 3965, 4758, 5965, 7158, 7930, 11895, 11930, 15509, 17895, 23790, 31018, 35790, 46527, 72773, 77545, 93054, 145546, 155090, 218319, 232635, 363865, 436638, 465270, 727730, 946049, 1091595, 1892098, 2183190, 2838147, 4730245, 5676294, 9460490, 14190735, 28381470]

約数ペア:

[(1, 28381470), (2, 14190735), (3, 9460490), (5, 5676294), (6, 4730245), (10, 2838147), (13, 2183190), (15, 1892098), (26, 1091595), (30, 946049), (39, 727730), (61, 465270), (65, 436638), (78, 363865), (122, 232635), (130, 218319), (183, 155090), (195, 145546), (305, 93054), (366, 77545), (390, 72773), (610, 46527), (793, 35790), (915, 31018), (1193, 23790), (1586, 17895), (1830, 15509), (2379, 11930), (2386, 11895), (3579, 7930), (3965, 7158), (4758, 5965)]