162443281

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 225227520

約数和(自身を除く): 62784239

約数列:

[1, 7, 11, 13, 49, 77, 91, 97, 143, 239, 539, 637, 679, 1001, 1067, 1261, 1673, 2629, 3107, 4753, 7007, 7469, 8827, 11711, 13871, 18403, 21749, 23183, 34177, 52283, 61789, 97097, 128821, 152243, 162281, 239239, 255013, 301379, 679679, 1135967, 1674673, 1785091, 2109653, 3315169, 12495637, 14767571, 23206183, 162443281]

約数ペア:

[(1, 162443281), (7, 23206183), (11, 14767571), (13, 12495637), (49, 3315169), (77, 2109653), (91, 1785091), (97, 1674673), (143, 1135967), (239, 679679), (539, 301379), (637, 255013), (679, 239239), (1001, 162281), (1067, 152243), (1261, 128821), (1673, 97097), (2629, 61789), (3107, 52283), (4753, 34177), (7007, 23183), (7469, 21749), (8827, 18403), (11711, 13871)]