291238883

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 36

約数和(自身を含む): 343827720

約数和(自身を除く): 52588837

約数列:

[1, 13, 17, 67, 89, 169, 221, 289, 871, 1139, 1157, 1513, 2873, 3757, 5963, 11323, 14807, 15041, 19363, 19669, 25721, 48841, 77519, 101371, 192491, 251719, 255697, 334373, 1007747, 1317823, 1723307, 3272347, 4346849, 17131699, 22402991, 291238883]

約数ペア:

[(1, 291238883), (13, 22402991), (17, 17131699), (67, 4346849), (89, 3272347), (169, 1723307), (221, 1317823), (289, 1007747), (871, 334373), (1139, 255697), (1157, 251719), (1513, 192491), (2873, 101371), (3757, 77519), (5963, 48841), (11323, 25721), (14807, 19669), (15041, 19363)]