81845896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 173203200

約数和(自身を除く): 91357304

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 79, 88, 122, 158, 193, 244, 316, 386, 488, 632, 671, 772, 869, 1342, 1544, 1738, 2123, 2684, 3476, 4246, 4819, 5368, 6952, 8492, 9638, 11773, 15247, 16984, 19276, 23546, 30494, 38552, 47092, 53009, 60988, 94184, 106018, 121976, 129503, 167717, 212036, 259006, 335434, 424072, 518012, 670868, 930067, 1036024, 1341736, 1860134, 3720268, 7440536, 10230737, 20461474, 40922948, 81845896]

約数ペア:

[(1, 81845896), (2, 40922948), (4, 20461474), (8, 10230737), (11, 7440536), (22, 3720268), (44, 1860134), (61, 1341736), (79, 1036024), (88, 930067), (122, 670868), (158, 518012), (193, 424072), (244, 335434), (316, 259006), (386, 212036), (488, 167717), (632, 129503), (671, 121976), (772, 106018), (869, 94184), (1342, 60988), (1544, 53009), (1738, 47092), (2123, 38552), (2684, 30494), (3476, 23546), (4246, 19276), (4819, 16984), (5368, 15247), (6952, 11773), (8492, 9638)]