1989983492

素因数分解:

$2^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{73043}}^1$

素因数の和:73200

約数の個数: 36

約数和(自身を含む): 4080237840

約数和(自身を除く): 2090254348

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 139, 196, 278, 556, 973, 1946, 3892, 6811, 13622, 27244, 73043, 146086, 292172, 511301, 1022602, 2045204, 3579107, 7158214, 10152977, 14316428, 20305954, 40611908, 71070839, 142141678, 284283356, 497495873, 994991746, 1989983492]

約数ペア:

[(1, 1989983492), (2, 994991746), (4, 497495873), (7, 284283356), (14, 142141678), (28, 71070839), (49, 40611908), (98, 20305954), (139, 14316428), (196, 10152977), (278, 7158214), (556, 3579107), (973, 2045204), (1946, 1022602), (3892, 511301), (6811, 292172), (13622, 146086), (27244, 73043)]