201340321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 279982080

約数和(自身を除く): 78641759

約数列:

[1, 7, 13, 19, 23, 61, 83, 91, 133, 161, 247, 299, 427, 437, 581, 793, 1079, 1159, 1403, 1577, 1729, 1909, 2093, 3059, 5063, 5551, 5681, 7553, 8113, 9821, 11039, 13363, 15067, 18239, 20501, 24817, 26657, 35441, 36271, 39767, 65819, 96197, 105469, 116449, 127673, 143507, 173719, 186599, 253897, 346541, 460733, 471523, 673379, 815143, 1250561, 1513837, 2212531, 2425787, 3300661, 8753927, 10596859, 15487717, 28762903, 201340321]

約数ペア:

[(1, 201340321), (7, 28762903), (13, 15487717), (19, 10596859), (23, 8753927), (61, 3300661), (83, 2425787), (91, 2212531), (133, 1513837), (161, 1250561), (247, 815143), (299, 673379), (427, 471523), (437, 460733), (581, 346541), (793, 253897), (1079, 186599), (1159, 173719), (1403, 143507), (1577, 127673), (1729, 116449), (1909, 105469), (2093, 96197), (3059, 65819), (5063, 39767), (5551, 36271), (5681, 35441), (7553, 26657), (8113, 24817), (9821, 20501), (11039, 18239), (13363, 15067)]