8889444438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{443}}^1$

素因数の和:810

約数の個数: 128

約数和(自身を含む): 21425209344

約数和(自身を除く): 12535764906

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 43, 82, 86, 123, 129, 246, 258, 271, 287, 301, 443, 542, 574, 602, 813, 861, 886, 903, 1329, 1626, 1722, 1763, 1806, 1897, 2658, 3101, 3526, 3794, 5289, 5691, 6202, 9303, 10578, 11111, 11382, 11653, 12341, 18163, 18606, 19049, 22222, 23306, 24682, 33333, 34959, 36326, 37023, 38098, 54489, 57147, 66666, 69918, 74046, 77777, 81571, 108978, 114294, 120053, 127141, 133343, 155554, 163142, 233331, 240106, 244713, 254282, 266686, 360159, 381423, 400029, 466662, 477773, 489426, 720318, 762846, 781009, 800058, 840371, 955546, 1433319, 1562018, 1680742, 2343027, 2521113, 2866638, 3344411, 4686054, 4922173, 5042226, 5162279, 5467063, 6688822, 9844346, 10033233, 10324558, 10934126, 14766519, 15486837, 16401189, 20066466, 29533038, 30973674, 32802378, 34455211, 36135953, 68910422, 72271906, 103365633, 108407859, 206731266, 211653439, 216815718, 423306878, 634960317, 1269920634, 1481574073, 2963148146, 4444722219, 8889444438]

約数ペア:

[(1, 8889444438), (2, 4444722219), (3, 2963148146), (6, 1481574073), (7, 1269920634), (14, 634960317), (21, 423306878), (41, 216815718), (42, 211653439), (43, 206731266), (82, 108407859), (86, 103365633), (123, 72271906), (129, 68910422), (246, 36135953), (258, 34455211), (271, 32802378), (287, 30973674), (301, 29533038), (443, 20066466), (542, 16401189), (574, 15486837), (602, 14766519), (813, 10934126), (861, 10324558), (886, 10033233), (903, 9844346), (1329, 6688822), (1626, 5467063), (1722, 5162279), (1763, 5042226), (1806, 4922173), (1897, 4686054), (2658, 3344411), (3101, 2866638), (3526, 2521113), (3794, 2343027), (5289, 1680742), (5691, 1562018), (6202, 1433319), (9303, 955546), (10578, 840371), (11111, 800058), (11382, 781009), (11653, 762846), (12341, 720318), (18163, 489426), (18606, 477773), (19049, 466662), (22222, 400029), (23306, 381423), (24682, 360159), (33333, 266686), (34959, 254282), (36326, 244713), (37023, 240106), (38098, 233331), (54489, 163142), (57147, 155554), (66666, 133343), (69918, 127141), (74046, 120053), (77777, 114294), (81571, 108978)]