28158702

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:953

約数の個数: 64

約数和(自身を含む): 68027904

約数和(自身を除く): 39869202

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 37, 39, 66, 74, 78, 111, 143, 222, 286, 407, 429, 481, 814, 858, 887, 962, 1221, 1443, 1774, 2442, 2661, 2886, 5291, 5322, 9757, 10582, 11531, 15873, 19514, 23062, 29271, 31746, 32819, 34593, 58542, 65638, 69186, 98457, 126841, 196914, 253682, 361009, 380523, 426647, 722018, 761046, 853294, 1083027, 1279941, 2166054, 2559882, 4693117, 9386234, 14079351, 28158702]

約数ペア:

[(1, 28158702), (2, 14079351), (3, 9386234), (6, 4693117), (11, 2559882), (13, 2166054), (22, 1279941), (26, 1083027), (33, 853294), (37, 761046), (39, 722018), (66, 426647), (74, 380523), (78, 361009), (111, 253682), (143, 196914), (222, 126841), (286, 98457), (407, 69186), (429, 65638), (481, 58542), (814, 34593), (858, 32819), (887, 31746), (962, 29271), (1221, 23062), (1443, 19514), (1774, 15873), (2442, 11531), (2661, 10582), (2886, 9757), (5291, 5322)]