28208574

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:223

約数の個数: 80

約数和(自身を含む): 67326336

約数和(自身を除く): 39117762

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 41, 54, 62, 81, 82, 93, 123, 137, 162, 186, 246, 274, 279, 369, 411, 558, 738, 822, 837, 1107, 1233, 1271, 1674, 2214, 2466, 2511, 2542, 3321, 3699, 3813, 4247, 5022, 5617, 6642, 7398, 7626, 8494, 11097, 11234, 11439, 12741, 16851, 22194, 22878, 25482, 33702, 34317, 38223, 50553, 68634, 76446, 101106, 102951, 114669, 151659, 174127, 205902, 229338, 303318, 344007, 348254, 454977, 522381, 688014, 909954, 1044762, 1567143, 3134286, 4701429, 9402858, 14104287, 28208574]

約数ペア:

[(1, 28208574), (2, 14104287), (3, 9402858), (6, 4701429), (9, 3134286), (18, 1567143), (27, 1044762), (31, 909954), (41, 688014), (54, 522381), (62, 454977), (81, 348254), (82, 344007), (93, 303318), (123, 229338), (137, 205902), (162, 174127), (186, 151659), (246, 114669), (274, 102951), (279, 101106), (369, 76446), (411, 68634), (558, 50553), (738, 38223), (822, 34317), (837, 33702), (1107, 25482), (1233, 22878), (1271, 22194), (1674, 16851), (2214, 12741), (2466, 11439), (2511, 11234), (2542, 11097), (3321, 8494), (3699, 7626), (3813, 7398), (4247, 6642), (5022, 5617)]