1287012244

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{1109}}^1$

素因数の和:1349

約数の個数: 72

約数和(自身を含む): 2721116160

約数和(自身を除く): 1434103916

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 191, 196, 217, 382, 434, 764, 868, 1109, 1337, 1519, 2218, 2674, 3038, 4436, 5348, 5921, 6076, 7763, 9359, 11842, 15526, 18718, 23684, 31052, 34379, 37436, 41447, 54341, 68758, 82894, 108682, 137516, 165788, 211819, 217364, 240653, 290129, 423638, 481306, 580258, 847276, 962612, 1160516, 1482733, 1684571, 2965466, 3369142, 5930932, 6566389, 6738284, 10379131, 13132778, 20758262, 26265556, 41516524, 45964723, 91929446, 183858892, 321753061, 643506122, 1287012244]

約数ペア:

[(1, 1287012244), (2, 643506122), (4, 321753061), (7, 183858892), (14, 91929446), (28, 45964723), (31, 41516524), (49, 26265556), (62, 20758262), (98, 13132778), (124, 10379131), (191, 6738284), (196, 6566389), (217, 5930932), (382, 3369142), (434, 2965466), (764, 1684571), (868, 1482733), (1109, 1160516), (1337, 962612), (1519, 847276), (2218, 580258), (2674, 481306), (3038, 423638), (4436, 290129), (5348, 240653), (5921, 217364), (6076, 211819), (7763, 165788), (9359, 137516), (11842, 108682), (15526, 82894), (18718, 68758), (23684, 54341), (31052, 41447), (34379, 37436)]