90404678

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1979}}^1$

素因数の和:2252

約数の個数: 32

約数和(自身を含む): 167650560

約数和(自身を除く): 77245882

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 251, 502, 1757, 1979, 3263, 3514, 3958, 6526, 13853, 22841, 25727, 27706, 45682, 51454, 180089, 360178, 496729, 993458, 3477103, 6457477, 6954206, 12914954, 45202339, 90404678]

約数ペア:

[(1, 90404678), (2, 45202339), (7, 12914954), (13, 6954206), (14, 6457477), (26, 3477103), (91, 993458), (182, 496729), (251, 360178), (502, 180089), (1757, 51454), (1979, 45682), (3263, 27706), (3514, 25727), (3958, 22841), (6526, 13853)]