25791788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 55311984

約数和(自身を除く): 29520196

約数列:

[1, 2, 4, 11, 17, 22, 29, 34, 41, 44, 58, 68, 82, 116, 164, 187, 319, 374, 451, 493, 638, 697, 748, 841, 902, 986, 1189, 1276, 1394, 1682, 1804, 1972, 2378, 2788, 3364, 4756, 5423, 7667, 9251, 10846, 13079, 14297, 15334, 18502, 20213, 21692, 26158, 28594, 30668, 34481, 37004, 40426, 52316, 57188, 68962, 80852, 137924, 157267, 222343, 314534, 379291, 444686, 586177, 629068, 758582, 889372, 1172354, 1517164, 2344708, 6447947, 12895894, 25791788]

約数ペア:

[(1, 25791788), (2, 12895894), (4, 6447947), (11, 2344708), (17, 1517164), (22, 1172354), (29, 889372), (34, 758582), (41, 629068), (44, 586177), (58, 444686), (68, 379291), (82, 314534), (116, 222343), (164, 157267), (187, 137924), (319, 80852), (374, 68962), (451, 57188), (493, 52316), (638, 40426), (697, 37004), (748, 34481), (841, 30668), (902, 28594), (986, 26158), (1189, 21692), (1276, 20213), (1394, 18502), (1682, 15334), (1804, 14297), (1972, 13079), (2378, 10846), (2788, 9251), (3364, 7667), (4756, 5423)]