849130919

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 1143260160

約数和(自身を除く): 294129241

約数列:

[1, 7, 13, 19, 61, 83, 91, 97, 133, 247, 427, 581, 679, 793, 1079, 1159, 1261, 1577, 1729, 1843, 5063, 5551, 5917, 7553, 8051, 8113, 8827, 11039, 12901, 15067, 20501, 23959, 35441, 41419, 56357, 65819, 76921, 96197, 104663, 105469, 112423, 143507, 152969, 167713, 460733, 491111, 538447, 673379, 732641, 786961, 1070783, 1250561, 1461499, 1988597, 3437777, 6384443, 8753927, 9331109, 10230493, 13920179, 44691101, 65317763, 121304417, 849130919]

約数ペア:

[(1, 849130919), (7, 121304417), (13, 65317763), (19, 44691101), (61, 13920179), (83, 10230493), (91, 9331109), (97, 8753927), (133, 6384443), (247, 3437777), (427, 1988597), (581, 1461499), (679, 1250561), (793, 1070783), (1079, 786961), (1159, 732641), (1261, 673379), (1577, 538447), (1729, 491111), (1843, 460733), (5063, 167713), (5551, 152969), (5917, 143507), (7553, 112423), (8051, 105469), (8113, 104663), (8827, 96197), (11039, 76921), (12901, 65819), (15067, 56357), (20501, 41419), (23959, 35441)]