218509746

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:336

約数の個数: 128

約数和(自身を含む): 566286336

約数和(自身を除く): 347776590

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 41, 42, 43, 78, 82, 86, 91, 123, 129, 182, 227, 246, 258, 273, 287, 301, 454, 533, 546, 559, 574, 602, 681, 861, 903, 1066, 1118, 1362, 1589, 1599, 1677, 1722, 1763, 1806, 2951, 3178, 3198, 3354, 3526, 3731, 3913, 4767, 5289, 5902, 7462, 7826, 8853, 9307, 9534, 9761, 10578, 11193, 11739, 12341, 17706, 18614, 19522, 20657, 22386, 22919, 23478, 24682, 27921, 29283, 37023, 41314, 45838, 55842, 58566, 61971, 65149, 68327, 68757, 74046, 120991, 123942, 126893, 130298, 136654, 137514, 160433, 195447, 204981, 241982, 253786, 320866, 362973, 380679, 390894, 400201, 409962, 481299, 725946, 761358, 800402, 846937, 888251, 962598, 1200603, 1693874, 1776502, 2401206, 2540811, 2664753, 2801407, 5081622, 5202613, 5329506, 5602814, 8404221, 10405226, 15607839, 16808442, 31215678, 36418291, 72836582, 109254873, 218509746]

約数ペア:

[(1, 218509746), (2, 109254873), (3, 72836582), (6, 36418291), (7, 31215678), (13, 16808442), (14, 15607839), (21, 10405226), (26, 8404221), (39, 5602814), (41, 5329506), (42, 5202613), (43, 5081622), (78, 2801407), (82, 2664753), (86, 2540811), (91, 2401206), (123, 1776502), (129, 1693874), (182, 1200603), (227, 962598), (246, 888251), (258, 846937), (273, 800402), (287, 761358), (301, 725946), (454, 481299), (533, 409962), (546, 400201), (559, 390894), (574, 380679), (602, 362973), (681, 320866), (861, 253786), (903, 241982), (1066, 204981), (1118, 195447), (1362, 160433), (1589, 137514), (1599, 136654), (1677, 130298), (1722, 126893), (1763, 123942), (1806, 120991), (2951, 74046), (3178, 68757), (3198, 68327), (3354, 65149), (3526, 61971), (3731, 58566), (3913, 55842), (4767, 45838), (5289, 41314), (5902, 37023), (7462, 29283), (7826, 27921), (8853, 24682), (9307, 23478), (9534, 22919), (9761, 22386), (10578, 20657), (11193, 19522), (11739, 18614), (12341, 17706)]