28867818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 69154560

約数和(自身を除く): 40286742

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 137, 173, 174, 203, 274, 346, 406, 411, 519, 609, 822, 959, 1038, 1211, 1218, 1918, 2422, 2877, 3633, 3973, 5017, 5754, 7266, 7946, 10034, 11919, 15051, 23701, 23838, 27811, 30102, 35119, 47402, 55622, 70238, 71103, 83433, 105357, 142206, 165907, 166866, 210714, 331814, 497721, 687329, 995442, 1374658, 2061987, 4123974, 4811303, 9622606, 14433909, 28867818]

約数ペア:

[(1, 28867818), (2, 14433909), (3, 9622606), (6, 4811303), (7, 4123974), (14, 2061987), (21, 1374658), (29, 995442), (42, 687329), (58, 497721), (87, 331814), (137, 210714), (173, 166866), (174, 165907), (203, 142206), (274, 105357), (346, 83433), (406, 71103), (411, 70238), (519, 55622), (609, 47402), (822, 35119), (959, 30102), (1038, 27811), (1211, 23838), (1218, 23701), (1918, 15051), (2422, 11919), (2877, 10034), (3633, 7946), (3973, 7266), (5017, 5754)]