81880764

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1063}}^1$

素因数の和:1215

約数の個数: 72

約数和(自身を含む): 224155008

約数和(自身を除く): 142274244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 131, 147, 196, 262, 294, 393, 524, 588, 786, 917, 1063, 1572, 1834, 2126, 2751, 3189, 3668, 4252, 5502, 6378, 6419, 7441, 11004, 12756, 12838, 14882, 19257, 22323, 25676, 29764, 38514, 44646, 52087, 77028, 89292, 104174, 139253, 156261, 208348, 278506, 312522, 417759, 557012, 625044, 835518, 974771, 1671036, 1949542, 2924313, 3899084, 5848626, 6823397, 11697252, 13646794, 20470191, 27293588, 40940382, 81880764]

約数ペア:

[(1, 81880764), (2, 40940382), (3, 27293588), (4, 20470191), (6, 13646794), (7, 11697252), (12, 6823397), (14, 5848626), (21, 3899084), (28, 2924313), (42, 1949542), (49, 1671036), (84, 974771), (98, 835518), (131, 625044), (147, 557012), (196, 417759), (262, 312522), (294, 278506), (393, 208348), (524, 156261), (588, 139253), (786, 104174), (917, 89292), (1063, 77028), (1572, 52087), (1834, 44646), (2126, 38514), (2751, 29764), (3189, 25676), (3668, 22323), (4252, 19257), (5502, 14882), (6378, 12838), (6419, 12756), (7441, 11004)]