13212661

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 17498880

約数和(自身を除く): 4286219

約数列:

[1, 7, 11, 29, 61, 77, 97, 203, 319, 427, 671, 679, 1067, 1769, 2233, 2813, 4697, 5917, 7469, 12383, 19459, 19691, 30943, 41419, 65087, 136213, 171593, 216601, 455609, 1201151, 1887523, 13212661]

約数ペア:

[(1, 13212661), (7, 1887523), (11, 1201151), (29, 455609), (61, 216601), (77, 171593), (97, 136213), (203, 65087), (319, 41419), (427, 30943), (671, 19691), (679, 19459), (1067, 12383), (1769, 7469), (2233, 5917), (2813, 4697)]