28517970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{881}}^1$

素因数の和:987

約数の個数: 64

約数和(自身を含む): 74680704

約数和(自身を除く): 46162734

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 83, 130, 166, 195, 249, 390, 415, 498, 830, 881, 1079, 1245, 1762, 2158, 2490, 2643, 3237, 4405, 5286, 5395, 6474, 8810, 10790, 11453, 13215, 16185, 22906, 26430, 32370, 34359, 57265, 68718, 73123, 114530, 146246, 171795, 219369, 343590, 365615, 438738, 731230, 950599, 1096845, 1901198, 2193690, 2851797, 4752995, 5703594, 9505990, 14258985, 28517970]

約数ペア:

[(1, 28517970), (2, 14258985), (3, 9505990), (5, 5703594), (6, 4752995), (10, 2851797), (13, 2193690), (15, 1901198), (26, 1096845), (30, 950599), (39, 731230), (65, 438738), (78, 365615), (83, 343590), (130, 219369), (166, 171795), (195, 146246), (249, 114530), (390, 73123), (415, 68718), (498, 57265), (830, 34359), (881, 32370), (1079, 26430), (1245, 22906), (1762, 16185), (2158, 13215), (2490, 11453), (2643, 10790), (3237, 8810), (4405, 6474), (5286, 5395)]