890249636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1\times {\mathrm{487}}^1$

素因数の和:936

約数の個数: 48

約数和(自身を含む): 1672473600

約数和(自身を除く): 782223964

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 359, 487, 718, 974, 1273, 1436, 1948, 2546, 5092, 6821, 9253, 13642, 18506, 24053, 27284, 32629, 37012, 48106, 65258, 96212, 130516, 174833, 349666, 457007, 619951, 699332, 914014, 1239902, 1828028, 2479804, 3321827, 6643654, 11713811, 13287308, 23427622, 46855244, 222562409, 445124818, 890249636]

約数ペア:

[(1, 890249636), (2, 445124818), (4, 222562409), (19, 46855244), (38, 23427622), (67, 13287308), (76, 11713811), (134, 6643654), (268, 3321827), (359, 2479804), (487, 1828028), (718, 1239902), (974, 914014), (1273, 699332), (1436, 619951), (1948, 457007), (2546, 349666), (5092, 174833), (6821, 130516), (9253, 96212), (13642, 65258), (18506, 48106), (24053, 37012), (27284, 32629)]