80400229

素因数分解:

$7^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 108336000

約数和(自身を除く): 27935771

約数列:

[1, 7, 13, 19, 49, 73, 91, 133, 169, 247, 343, 511, 637, 931, 949, 1183, 1387, 1729, 3211, 3577, 4459, 6517, 6643, 8281, 9709, 12103, 12337, 18031, 22477, 25039, 46501, 57967, 67963, 84721, 86359, 126217, 157339, 234403, 325507, 475741, 604513, 883519, 1101373, 1640821, 4231591, 6184633, 11485747, 80400229]

約数ペア:

[(1, 80400229), (7, 11485747), (13, 6184633), (19, 4231591), (49, 1640821), (73, 1101373), (91, 883519), (133, 604513), (169, 475741), (247, 325507), (343, 234403), (511, 157339), (637, 126217), (931, 86359), (949, 84721), (1183, 67963), (1387, 57967), (1729, 46501), (3211, 25039), (3577, 22477), (4459, 18031), (6517, 12337), (6643, 12103), (8281, 9709)]