28951986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:136

約数の個数: 128

約数和(自身を含む): 76640256

約数和(自身を除く): 47688270

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 23, 34, 41, 42, 43, 46, 51, 69, 82, 86, 102, 119, 123, 129, 138, 161, 238, 246, 258, 287, 301, 322, 357, 391, 483, 574, 602, 697, 714, 731, 782, 861, 903, 943, 966, 989, 1173, 1394, 1462, 1722, 1763, 1806, 1886, 1978, 2091, 2193, 2346, 2737, 2829, 2967, 3526, 4182, 4386, 4879, 5117, 5289, 5474, 5658, 5934, 6601, 6923, 8211, 9758, 10234, 10578, 12341, 13202, 13846, 14637, 15351, 16031, 16422, 16813, 19803, 20769, 24682, 29274, 29971, 30702, 32062, 33626, 37023, 39606, 40549, 41538, 48093, 50439, 59942, 74046, 81098, 89913, 96186, 100878, 112217, 117691, 121647, 179826, 209797, 224434, 235382, 243294, 283843, 336651, 353073, 419594, 567686, 629391, 673302, 689333, 706146, 851529, 1258782, 1378666, 1703058, 2067999, 4135998, 4825331, 9650662, 14475993, 28951986]

約数ペア:

[(1, 28951986), (2, 14475993), (3, 9650662), (6, 4825331), (7, 4135998), (14, 2067999), (17, 1703058), (21, 1378666), (23, 1258782), (34, 851529), (41, 706146), (42, 689333), (43, 673302), (46, 629391), (51, 567686), (69, 419594), (82, 353073), (86, 336651), (102, 283843), (119, 243294), (123, 235382), (129, 224434), (138, 209797), (161, 179826), (238, 121647), (246, 117691), (258, 112217), (287, 100878), (301, 96186), (322, 89913), (357, 81098), (391, 74046), (483, 59942), (574, 50439), (602, 48093), (697, 41538), (714, 40549), (731, 39606), (782, 37023), (861, 33626), (903, 32062), (943, 30702), (966, 29971), (989, 29274), (1173, 24682), (1394, 20769), (1462, 19803), (1722, 16813), (1763, 16422), (1806, 16031), (1886, 15351), (1978, 14637), (2091, 13846), (2193, 13202), (2346, 12341), (2737, 10578), (2829, 10234), (2967, 9758), (3526, 8211), (4182, 6923), (4386, 6601), (4879, 5934), (5117, 5658), (5289, 5474)]