1890637827

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^2\times {\mathrm{227}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 2849000448

約数和(自身を除く): 958362621

約数列:

[1, 3, 13, 31, 39, 83, 93, 227, 249, 403, 681, 1079, 1209, 2573, 2951, 3237, 6889, 7037, 7719, 8853, 18841, 20667, 21111, 33449, 56523, 89557, 91481, 100347, 213559, 244933, 268671, 274443, 584071, 640677, 734799, 1563803, 1752213, 2776267, 4691409, 7592923, 8328801, 20329439, 22778769, 48477893, 60988317, 145433679, 630212609, 1890637827]

約数ペア:

[(1, 1890637827), (3, 630212609), (13, 145433679), (31, 60988317), (39, 48477893), (83, 22778769), (93, 20329439), (227, 8328801), (249, 7592923), (403, 4691409), (681, 2776267), (1079, 1752213), (1209, 1563803), (2573, 734799), (2951, 640677), (3237, 584071), (6889, 274443), (7037, 268671), (7719, 244933), (8853, 213559), (18841, 100347), (20667, 91481), (21111, 89557), (33449, 56523)]