128914578

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1493}}^1$

素因数の和:1561

約数の個数: 80

約数和(自身を含む): 318885336

約数和(自身を除く): 189970758

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 41, 54, 78, 81, 82, 117, 123, 162, 234, 246, 351, 369, 533, 702, 738, 1053, 1066, 1107, 1493, 1599, 2106, 2214, 2986, 3198, 3321, 4479, 4797, 6642, 8958, 9594, 13437, 14391, 19409, 26874, 28782, 38818, 40311, 43173, 58227, 61213, 80622, 86346, 116454, 120933, 122426, 174681, 183639, 241866, 349362, 367278, 524043, 550917, 795769, 1048086, 1101834, 1572129, 1591538, 1652751, 2387307, 3144258, 3305502, 4774614, 4958253, 7161921, 9916506, 14323842, 21485763, 42971526, 64457289, 128914578]

約数ペア:

[(1, 128914578), (2, 64457289), (3, 42971526), (6, 21485763), (9, 14323842), (13, 9916506), (18, 7161921), (26, 4958253), (27, 4774614), (39, 3305502), (41, 3144258), (54, 2387307), (78, 1652751), (81, 1591538), (82, 1572129), (117, 1101834), (123, 1048086), (162, 795769), (234, 550917), (246, 524043), (351, 367278), (369, 349362), (533, 241866), (702, 183639), (738, 174681), (1053, 122426), (1066, 120933), (1107, 116454), (1493, 86346), (1599, 80622), (2106, 61213), (2214, 58227), (2986, 43173), (3198, 40311), (3321, 38818), (4479, 28782), (4797, 26874), (6642, 19409), (8958, 14391), (9594, 13437)]