638332986

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{10657}}^1$

素因数の和:10878

約数の個数: 32

約数和(自身を含む): 1304539200

約数和(自身を除く): 666206214

約数列:

[1, 2, 3, 6, 67, 134, 149, 201, 298, 402, 447, 894, 9983, 10657, 19966, 21314, 29949, 31971, 59898, 63942, 714019, 1428038, 1587893, 2142057, 3175786, 4284114, 4763679, 9527358, 106388831, 212777662, 319166493, 638332986]

約数ペア:

[(1, 638332986), (2, 319166493), (3, 212777662), (6, 106388831), (67, 9527358), (134, 4763679), (149, 4284114), (201, 3175786), (298, 2142057), (402, 1587893), (447, 1428038), (894, 714019), (9983, 63942), (10657, 59898), (19966, 31971), (21314, 29949)]