259811013

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 457113600

約数和(自身を除く): 197302587

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 79, 161, 231, 237, 253, 483, 553, 619, 759, 869, 1659, 1771, 1817, 1857, 2607, 4333, 5313, 5451, 6083, 6809, 12719, 12999, 14237, 18249, 19987, 20427, 38157, 42711, 47663, 48901, 59961, 99659, 139909, 142989, 146703, 156607, 298977, 342307, 419727, 469821, 537911, 1026921, 1096249, 1124723, 1613733, 3288747, 3374169, 3765377, 7873061, 11296131, 12371953, 23619183, 37115859, 86603671, 259811013]

約数ペア:

[(1, 259811013), (3, 86603671), (7, 37115859), (11, 23619183), (21, 12371953), (23, 11296131), (33, 7873061), (69, 3765377), (77, 3374169), (79, 3288747), (161, 1613733), (231, 1124723), (237, 1096249), (253, 1026921), (483, 537911), (553, 469821), (619, 419727), (759, 342307), (869, 298977), (1659, 156607), (1771, 146703), (1817, 142989), (1857, 139909), (2607, 99659), (4333, 59961), (5313, 48901), (5451, 47663), (6083, 42711), (6809, 38157), (12719, 20427), (12999, 19987), (14237, 18249)]