25236728

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 55604640

約数和(自身を除く): 30367912

約数列:

[1, 2, 4, 8, 11, 22, 29, 31, 44, 58, 62, 88, 116, 121, 124, 232, 242, 248, 319, 341, 484, 638, 682, 841, 899, 968, 1276, 1364, 1682, 1798, 2552, 2728, 3364, 3509, 3596, 3751, 6728, 7018, 7192, 7502, 9251, 9889, 14036, 15004, 18502, 19778, 26071, 28072, 30008, 37004, 39556, 52142, 74008, 79112, 101761, 104284, 108779, 203522, 208568, 217558, 286781, 407044, 435116, 573562, 814088, 870232, 1147124, 2294248, 3154591, 6309182, 12618364, 25236728]

約数ペア:

[(1, 25236728), (2, 12618364), (4, 6309182), (8, 3154591), (11, 2294248), (22, 1147124), (29, 870232), (31, 814088), (44, 573562), (58, 435116), (62, 407044), (88, 286781), (116, 217558), (121, 208568), (124, 203522), (232, 108779), (242, 104284), (248, 101761), (319, 79112), (341, 74008), (484, 52142), (638, 39556), (682, 37004), (841, 30008), (899, 28072), (968, 26071), (1276, 19778), (1364, 18502), (1682, 15004), (1798, 14036), (2552, 9889), (2728, 9251), (3364, 7502), (3509, 7192), (3596, 7018), (3751, 6728)]