28564372

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 55036800

約数和(自身を除く): 26472428

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 89, 103, 164, 178, 206, 356, 412, 779, 1558, 1691, 1957, 3116, 3382, 3649, 3914, 4223, 6764, 7298, 7828, 8446, 9167, 14596, 16892, 18334, 36668, 69331, 80237, 138662, 160474, 174173, 277324, 320948, 348346, 375847, 696692, 751694, 1503388, 7141093, 14282186, 28564372]

約数ペア:

[(1, 28564372), (2, 14282186), (4, 7141093), (19, 1503388), (38, 751694), (41, 696692), (76, 375847), (82, 348346), (89, 320948), (103, 277324), (164, 174173), (178, 160474), (206, 138662), (356, 80237), (412, 69331), (779, 36668), (1558, 18334), (1691, 16892), (1957, 14596), (3116, 9167), (3382, 8446), (3649, 7828), (3914, 7298), (4223, 6764)]