28715764

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{701}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 67223520

約数和(自身を除く): 38507756

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 418, 532, 539, 701, 836, 931, 1078, 1402, 1463, 1862, 2156, 2804, 2926, 3724, 4907, 5852, 7711, 9814, 10241, 13319, 15422, 19628, 20482, 26638, 30844, 34349, 40964, 53276, 53977, 68698, 93233, 107954, 137396, 146509, 186466, 215908, 293018, 372932, 377839, 586036, 652631, 755678, 1025563, 1305262, 1511356, 2051126, 2610524, 4102252, 7178941, 14357882, 28715764]

約数ペア:

[(1, 28715764), (2, 14357882), (4, 7178941), (7, 4102252), (11, 2610524), (14, 2051126), (19, 1511356), (22, 1305262), (28, 1025563), (38, 755678), (44, 652631), (49, 586036), (76, 377839), (77, 372932), (98, 293018), (133, 215908), (154, 186466), (196, 146509), (209, 137396), (266, 107954), (308, 93233), (418, 68698), (532, 53977), (539, 53276), (701, 40964), (836, 34349), (931, 30844), (1078, 26638), (1402, 20482), (1463, 19628), (1862, 15422), (2156, 13319), (2804, 10241), (2926, 9814), (3724, 7711), (4907, 5852)]