3969898075

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:845

約数の個数: 72

約数和(自身を含む): 5873328944

約数和(自身を除く): 1903430869

約数列:

[1, 5, 11, 13, 25, 55, 65, 121, 143, 157, 275, 325, 605, 643, 715, 785, 1573, 1727, 2041, 3025, 3215, 3575, 3925, 7073, 7865, 8359, 8635, 10205, 16075, 18997, 22451, 35365, 39325, 41795, 43175, 51025, 77803, 91949, 94985, 100951, 112255, 176825, 208975, 246961, 389015, 459745, 474925, 504755, 561275, 1011439, 1110461, 1234805, 1312363, 1945075, 2298725, 2523775, 5057195, 5552305, 6174025, 6561815, 12215071, 14435993, 25285975, 27761525, 32809075, 61075355, 72179965, 158795923, 305376775, 360899825, 793979615, 3969898075]

約数ペア:

[(1, 3969898075), (5, 793979615), (11, 360899825), (13, 305376775), (25, 158795923), (55, 72179965), (65, 61075355), (121, 32809075), (143, 27761525), (157, 25285975), (275, 14435993), (325, 12215071), (605, 6561815), (643, 6174025), (715, 5552305), (785, 5057195), (1573, 2523775), (1727, 2298725), (2041, 1945075), (3025, 1312363), (3215, 1234805), (3575, 1110461), (3925, 1011439), (7073, 561275), (7865, 504755), (8359, 474925), (8635, 459745), (10205, 389015), (16075, 246961), (18997, 208975), (22451, 176825), (35365, 112255), (39325, 100951), (41795, 94985), (43175, 91949), (51025, 77803)]