1387866145

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 1831979520

約数和(自身を除く): 444113375

約数列:

[1, 5, 17, 59, 73, 85, 223, 289, 295, 365, 1003, 1115, 1241, 1445, 3791, 4307, 5015, 6205, 13157, 16279, 17051, 18955, 21097, 21535, 64447, 65785, 73219, 81395, 85255, 105485, 223669, 276743, 322235, 366095, 960461, 1118345, 1244723, 1383715, 3802373, 4704631, 4802305, 6223615, 16327837, 19011865, 23523155, 81639185, 277573229, 1387866145]

約数ペア:

[(1, 1387866145), (5, 277573229), (17, 81639185), (59, 23523155), (73, 19011865), (85, 16327837), (223, 6223615), (289, 4802305), (295, 4704631), (365, 3802373), (1003, 1383715), (1115, 1244723), (1241, 1118345), (1445, 960461), (3791, 366095), (4307, 322235), (5015, 276743), (6205, 223669), (13157, 105485), (16279, 85255), (17051, 81395), (18955, 73219), (21097, 65785), (21535, 64447)]