1561376984

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{8863}}^1$

素因数の和:8968

約数の個数: 48

約数和(自身を含む): 3140781120

約数和(自身を除く): 1579404136

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 361, 488, 722, 1159, 1444, 2318, 2888, 4636, 8863, 9272, 17726, 22021, 35452, 44042, 70904, 88084, 168397, 176168, 336794, 540643, 673588, 1081286, 1347176, 2162572, 3199543, 4325144, 6399086, 10272217, 12798172, 20544434, 25596344, 41088868, 82177736, 195172123, 390344246, 780688492, 1561376984]

約数ペア:

[(1, 1561376984), (2, 780688492), (4, 390344246), (8, 195172123), (19, 82177736), (38, 41088868), (61, 25596344), (76, 20544434), (122, 12798172), (152, 10272217), (244, 6399086), (361, 4325144), (488, 3199543), (722, 2162572), (1159, 1347176), (1444, 1081286), (2318, 673588), (2888, 540643), (4636, 336794), (8863, 176168), (9272, 168397), (17726, 88084), (22021, 70904), (35452, 44042)]