12821753375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2753}}^1$

素因数の和:2877

約数の個数: 64

約数和(自身を含む): 17631768960

約数和(自身を除く): 4810015585

約数列:

[1, 5, 19, 25, 37, 53, 95, 125, 185, 265, 475, 703, 925, 1007, 1325, 1961, 2375, 2753, 3515, 4625, 5035, 6625, 9805, 13765, 17575, 25175, 37259, 49025, 52307, 68825, 87875, 101861, 125875, 145909, 186295, 245125, 261535, 344125, 509305, 729545, 931475, 1307675, 1935359, 2546525, 2772271, 3647725, 4657375, 5398633, 6538375, 9676795, 12732625, 13861355, 18238625, 26993165, 48383975, 69306775, 102574027, 134965825, 241919875, 346533875, 512870135, 674829125, 2564350675, 12821753375]

約数ペア:

[(1, 12821753375), (5, 2564350675), (19, 674829125), (25, 512870135), (37, 346533875), (53, 241919875), (95, 134965825), (125, 102574027), (185, 69306775), (265, 48383975), (475, 26993165), (703, 18238625), (925, 13861355), (1007, 12732625), (1325, 9676795), (1961, 6538375), (2375, 5398633), (2753, 4657375), (3515, 3647725), (4625, 2772271), (5035, 2546525), (6625, 1935359), (9805, 1307675), (13765, 931475), (17575, 729545), (25175, 509305), (37259, 344125), (49025, 261535), (52307, 245125), (68825, 186295), (87875, 145909), (101861, 125875)]