28655676

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6689}}^1$

素因数の和:6723

約数の個数: 72

約数和(自身を含む): 87665760

約数和(自身を除く): 59010084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 6689, 13378, 20067, 26756, 40134, 46823, 60201, 80268, 93646, 113713, 120402, 140469, 187292, 227426, 240804, 280938, 341139, 421407, 454852, 561876, 682278, 795991, 842814, 1023417, 1364556, 1591982, 1685628, 2046834, 2387973, 3183964, 4093668, 4775946, 7163919, 9551892, 14327838, 28655676]

約数ペア:

[(1, 28655676), (2, 14327838), (3, 9551892), (4, 7163919), (6, 4775946), (7, 4093668), (9, 3183964), (12, 2387973), (14, 2046834), (17, 1685628), (18, 1591982), (21, 1364556), (28, 1023417), (34, 842814), (36, 795991), (42, 682278), (51, 561876), (63, 454852), (68, 421407), (84, 341139), (102, 280938), (119, 240804), (126, 227426), (153, 187292), (204, 140469), (238, 120402), (252, 113713), (306, 93646), (357, 80268), (476, 60201), (612, 46823), (714, 40134), (1071, 26756), (1428, 20067), (2142, 13378), (4284, 6689)]