28167516

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:595

約数の個数: 72

約数和(自身を含む): 77408240

約数和(自身を除く): 49240724

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 417, 433, 468, 556, 834, 866, 1251, 1299, 1668, 1732, 1807, 2502, 2598, 3614, 3897, 5004, 5196, 5421, 5629, 7228, 7794, 10842, 11258, 15588, 16263, 16887, 21684, 22516, 32526, 33774, 50661, 60187, 65052, 67548, 101322, 120374, 180561, 202644, 240748, 361122, 541683, 722244, 782431, 1083366, 1564862, 2166732, 2347293, 3129724, 4694586, 7041879, 9389172, 14083758, 28167516]

約数ペア:

[(1, 28167516), (2, 14083758), (3, 9389172), (4, 7041879), (6, 4694586), (9, 3129724), (12, 2347293), (13, 2166732), (18, 1564862), (26, 1083366), (36, 782431), (39, 722244), (52, 541683), (78, 361122), (117, 240748), (139, 202644), (156, 180561), (234, 120374), (278, 101322), (417, 67548), (433, 65052), (468, 60187), (556, 50661), (834, 33774), (866, 32526), (1251, 22516), (1299, 21684), (1668, 16887), (1732, 16263), (1807, 15588), (2502, 11258), (2598, 10842), (3614, 7794), (3897, 7228), (5004, 5629), (5196, 5421)]