81705396

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{4909}}^1$

素因数の和:5008

約数の個数: 48

約数和(自身を含む): 203470400

約数和(自身を除く): 121765004

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 73, 76, 114, 146, 219, 228, 292, 438, 876, 1387, 2774, 4161, 4909, 5548, 8322, 9818, 14727, 16644, 19636, 29454, 58908, 93271, 186542, 279813, 358357, 373084, 559626, 716714, 1075071, 1119252, 1433428, 2150142, 4300284, 6808783, 13617566, 20426349, 27235132, 40852698, 81705396]

約数ペア:

[(1, 81705396), (2, 40852698), (3, 27235132), (4, 20426349), (6, 13617566), (12, 6808783), (19, 4300284), (38, 2150142), (57, 1433428), (73, 1119252), (76, 1075071), (114, 716714), (146, 559626), (219, 373084), (228, 358357), (292, 279813), (438, 186542), (876, 93271), (1387, 58908), (2774, 29454), (4161, 19636), (4909, 16644), (5548, 14727), (8322, 9818)]