1285976536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{156521}}^1$

素因数の和:156619

約数の個数: 32

約数和(自身を含む): 2629569600

約数和(自身を除く): 1343593064

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 4108, 8216, 156521, 313042, 626084, 1252168, 2034773, 4069546, 8139092, 12365159, 16278184, 24730318, 49460636, 98921272, 160747067, 321494134, 642988268, 1285976536]

約数ペア:

[(1, 1285976536), (2, 642988268), (4, 321494134), (8, 160747067), (13, 98921272), (26, 49460636), (52, 24730318), (79, 16278184), (104, 12365159), (158, 8139092), (316, 4069546), (632, 2034773), (1027, 1252168), (2054, 626084), (4108, 313042), (8216, 156521)]