28048237

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 35130240

約数和(自身を除く): 7082003

約数列:

[1, 7, 19, 47, 49, 133, 329, 641, 893, 931, 2303, 4487, 6251, 12179, 30127, 31409, 43757, 85253, 210889, 572413, 596771, 1476223, 4006891, 28048237]

約数ペア:

[(1, 28048237), (7, 4006891), (19, 1476223), (47, 596771), (49, 572413), (133, 210889), (329, 85253), (641, 43757), (893, 31409), (931, 30127), (2303, 12179), (4487, 6251)]