55997788

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1367}}^1$

素因数の和:1415

約数の個数: 72

約数和(自身を含む): 130999680

約数和(自身を除く): 75001892

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 418, 532, 539, 836, 931, 1078, 1367, 1463, 1862, 2156, 2734, 2926, 3724, 5468, 5852, 9569, 10241, 15037, 19138, 20482, 25973, 30074, 38276, 40964, 51946, 60148, 66983, 103892, 105259, 133966, 181811, 210518, 267932, 285703, 363622, 421036, 571406, 727244, 736813, 1142812, 1272677, 1473626, 1999921, 2545354, 2947252, 3999842, 5090708, 7999684, 13999447, 27998894, 55997788]

約数ペア:

[(1, 55997788), (2, 27998894), (4, 13999447), (7, 7999684), (11, 5090708), (14, 3999842), (19, 2947252), (22, 2545354), (28, 1999921), (38, 1473626), (44, 1272677), (49, 1142812), (76, 736813), (77, 727244), (98, 571406), (133, 421036), (154, 363622), (196, 285703), (209, 267932), (266, 210518), (308, 181811), (418, 133966), (532, 105259), (539, 103892), (836, 66983), (931, 60148), (1078, 51946), (1367, 40964), (1463, 38276), (1862, 30074), (2156, 25973), (2734, 20482), (2926, 19138), (3724, 15037), (5468, 10241), (5852, 9569)]