890251778

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{283}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 1493051616

約数和(自身を除く): 602799838

約数列:

[1, 2, 13, 26, 41, 82, 169, 227, 283, 338, 454, 533, 566, 1066, 2951, 3679, 5902, 6929, 7358, 9307, 11603, 13858, 18614, 23206, 38363, 47827, 64241, 76726, 95654, 120991, 128482, 150839, 241982, 301678, 835133, 1572883, 1670266, 1960907, 2633881, 3145766, 3921814, 5267762, 10856729, 21713458, 34240453, 68480906, 445125889, 890251778]

約数ペア:

[(1, 890251778), (2, 445125889), (13, 68480906), (26, 34240453), (41, 21713458), (82, 10856729), (169, 5267762), (227, 3921814), (283, 3145766), (338, 2633881), (454, 1960907), (533, 1670266), (566, 1572883), (1066, 835133), (2951, 301678), (3679, 241982), (5902, 150839), (6929, 128482), (7358, 120991), (9307, 95654), (11603, 76726), (13858, 64241), (18614, 47827), (23206, 38363)]