642746312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2731}}^1$

素因数の和:2854

約数の個数: 64

約数和(自身を含む): 1358568960

約数和(自身を除く): 715822648

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 73, 104, 124, 146, 248, 292, 403, 584, 806, 949, 1612, 1898, 2263, 2731, 3224, 3796, 4526, 5462, 7592, 9052, 10924, 18104, 21848, 29419, 35503, 58838, 71006, 84661, 117676, 142012, 169322, 199363, 235352, 284024, 338644, 398726, 677288, 797452, 1100593, 1594904, 2201186, 2591719, 4402372, 5183438, 6180253, 8804744, 10366876, 12360506, 20733752, 24721012, 49442024, 80343289, 160686578, 321373156, 642746312]

約数ペア:

[(1, 642746312), (2, 321373156), (4, 160686578), (8, 80343289), (13, 49442024), (26, 24721012), (31, 20733752), (52, 12360506), (62, 10366876), (73, 8804744), (104, 6180253), (124, 5183438), (146, 4402372), (248, 2591719), (292, 2201186), (403, 1594904), (584, 1100593), (806, 797452), (949, 677288), (1612, 398726), (1898, 338644), (2263, 284024), (2731, 235352), (3224, 199363), (3796, 169322), (4526, 142012), (5462, 117676), (7592, 84661), (9052, 71006), (10924, 58838), (18104, 35503), (21848, 29419)]