1898045215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1768

約数の個数: 64

約数和(自身を含む): 2770329600

約数和(自身を除く): 872284385

約数列:

[1, 5, 11, 23, 29, 31, 55, 115, 145, 155, 253, 319, 341, 667, 713, 899, 1265, 1595, 1669, 1705, 3335, 3565, 4495, 7337, 7843, 8345, 9889, 18359, 20677, 36685, 38387, 39215, 48401, 49445, 51739, 91795, 103385, 191935, 227447, 242005, 258695, 422257, 532411, 569129, 1113223, 1137235, 1189997, 1500431, 2111285, 2662055, 2845645, 5566115, 5949985, 7502155, 12245453, 13089967, 16504741, 34509913, 61227265, 65449835, 82523705, 172549565, 379609043, 1898045215]

約数ペア:

[(1, 1898045215), (5, 379609043), (11, 172549565), (23, 82523705), (29, 65449835), (31, 61227265), (55, 34509913), (115, 16504741), (145, 13089967), (155, 12245453), (253, 7502155), (319, 5949985), (341, 5566115), (667, 2845645), (713, 2662055), (899, 2111285), (1265, 1500431), (1595, 1189997), (1669, 1137235), (1705, 1113223), (3335, 569129), (3565, 532411), (4495, 422257), (7337, 258695), (7843, 242005), (8345, 227447), (9889, 191935), (18359, 103385), (20677, 91795), (36685, 51739), (38387, 49445), (39215, 48401)]