28292264

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3533}}^1$

素因数の和:3570

約数の個数: 64

約数和(自身を含む): 71245440

約数和(自身を除く): 42953176

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 3533, 4004, 7066, 8008, 14132, 24731, 28264, 38863, 45929, 49462, 77726, 91858, 98924, 155452, 183716, 197848, 272041, 310904, 321503, 367432, 505219, 544082, 643006, 1010438, 1088164, 1286012, 2020876, 2176328, 2572024, 3536533, 4041752, 7073066, 14146132, 28292264]

約数ペア:

[(1, 28292264), (2, 14146132), (4, 7073066), (7, 4041752), (8, 3536533), (11, 2572024), (13, 2176328), (14, 2020876), (22, 1286012), (26, 1088164), (28, 1010438), (44, 643006), (52, 544082), (56, 505219), (77, 367432), (88, 321503), (91, 310904), (104, 272041), (143, 197848), (154, 183716), (182, 155452), (286, 98924), (308, 91858), (364, 77726), (572, 49462), (616, 45929), (728, 38863), (1001, 28264), (1144, 24731), (2002, 14132), (3533, 8008), (4004, 7066)]