1312781645

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 1947856896

約数和(自身を除く): 635075251

約数列:

[1, 5, 7, 31, 35, 37, 53, 155, 185, 217, 259, 265, 371, 617, 1085, 1147, 1295, 1643, 1855, 1961, 3085, 4319, 5735, 8029, 8215, 9805, 11501, 13727, 19127, 21595, 22829, 32701, 40145, 57505, 60791, 68635, 95635, 114145, 133889, 159803, 163505, 228907, 303955, 425537, 669445, 707699, 799015, 1013731, 1144535, 1209937, 2127685, 3538495, 4953893, 5068655, 6049685, 7096117, 8469559, 24769465, 35480585, 37508047, 42347795, 187540235, 262556329, 1312781645]

約数ペア:

[(1, 1312781645), (5, 262556329), (7, 187540235), (31, 42347795), (35, 37508047), (37, 35480585), (53, 24769465), (155, 8469559), (185, 7096117), (217, 6049685), (259, 5068655), (265, 4953893), (371, 3538495), (617, 2127685), (1085, 1209937), (1147, 1144535), (1295, 1013731), (1643, 799015), (1855, 707699), (1961, 669445), (3085, 425537), (4319, 303955), (5735, 228907), (8029, 163505), (8215, 159803), (9805, 133889), (11501, 114145), (13727, 95635), (19127, 68635), (21595, 60791), (22829, 57505), (32701, 40145)]