28915722

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3947}}^1$

素因数の和:4003

約数の個数: 48

約数和(自身を含む): 70211232

約数和(自身を除く): 41295510

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 74, 99, 111, 198, 222, 333, 407, 666, 814, 1221, 2442, 3663, 3947, 7326, 7894, 11841, 23682, 35523, 43417, 71046, 86834, 130251, 146039, 260502, 292078, 390753, 438117, 781506, 876234, 1314351, 1606429, 2628702, 3212858, 4819287, 9638574, 14457861, 28915722]

約数ペア:

[(1, 28915722), (2, 14457861), (3, 9638574), (6, 4819287), (9, 3212858), (11, 2628702), (18, 1606429), (22, 1314351), (33, 876234), (37, 781506), (66, 438117), (74, 390753), (99, 292078), (111, 260502), (198, 146039), (222, 130251), (333, 86834), (407, 71046), (666, 43417), (814, 35523), (1221, 23682), (2442, 11841), (3663, 7894), (3947, 7326)]