28779366

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{809}}^1$

素因数の和:850

約数の個数: 72

約数和(自身を含む): 73687320

約数和(自身を除く): 44907954

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 121, 147, 154, 231, 242, 294, 363, 462, 539, 726, 809, 847, 1078, 1617, 1618, 1694, 2427, 2541, 3234, 4854, 5082, 5663, 5929, 8899, 11326, 11858, 16989, 17787, 17798, 26697, 33978, 35574, 39641, 53394, 62293, 79282, 97889, 118923, 124586, 186879, 195778, 237846, 293667, 373758, 436051, 587334, 685223, 872102, 1308153, 1370446, 2055669, 2616306, 4111338, 4796561, 9593122, 14389683, 28779366]

約数ペア:

[(1, 28779366), (2, 14389683), (3, 9593122), (6, 4796561), (7, 4111338), (11, 2616306), (14, 2055669), (21, 1370446), (22, 1308153), (33, 872102), (42, 685223), (49, 587334), (66, 436051), (77, 373758), (98, 293667), (121, 237846), (147, 195778), (154, 186879), (231, 124586), (242, 118923), (294, 97889), (363, 79282), (462, 62293), (539, 53394), (726, 39641), (809, 35574), (847, 33978), (1078, 26697), (1617, 17798), (1618, 17787), (1694, 16989), (2427, 11858), (2541, 11326), (3234, 8899), (4854, 5929), (5082, 5663)]