1019903983

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:409

約数の個数: 40

約数和(自身を含む): 1272774400

約数和(自身を除く): 252870417

約数列:

[1, 7, 19, 49, 79, 133, 283, 343, 553, 931, 1501, 1981, 2401, 3871, 5377, 6517, 10507, 13867, 22357, 27097, 37639, 45619, 73549, 97069, 156499, 189679, 263473, 424783, 514843, 679483, 1095493, 1844311, 2973481, 3603901, 7668451, 12910177, 20814367, 53679157, 145700569, 1019903983]

約数ペア:

[(1, 1019903983), (7, 145700569), (19, 53679157), (49, 20814367), (79, 12910177), (133, 7668451), (283, 3603901), (343, 2973481), (553, 1844311), (931, 1095493), (1501, 679483), (1981, 514843), (2401, 424783), (3871, 263473), (5377, 189679), (6517, 156499), (10507, 97069), (13867, 73549), (22357, 45619), (27097, 37639)]