996815985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{5081}}^1$

素因数の和:5170

約数の個数: 64

約数和(自身を含む): 1844156160

約数和(自身を除く): 847340175

約数列:

[1, 3, 5, 11, 15, 29, 33, 41, 55, 87, 123, 145, 165, 205, 319, 435, 451, 615, 957, 1189, 1353, 1595, 2255, 3567, 4785, 5081, 5945, 6765, 13079, 15243, 17835, 25405, 39237, 55891, 65395, 76215, 147349, 167673, 196185, 208321, 279455, 442047, 624963, 736745, 838365, 1041605, 1620839, 2210235, 2291531, 3124815, 4862517, 6041309, 6874593, 8104195, 11457655, 18123927, 24312585, 30206545, 34372965, 66454399, 90619635, 199363197, 332271995, 996815985]

約数ペア:

[(1, 996815985), (3, 332271995), (5, 199363197), (11, 90619635), (15, 66454399), (29, 34372965), (33, 30206545), (41, 24312585), (55, 18123927), (87, 11457655), (123, 8104195), (145, 6874593), (165, 6041309), (205, 4862517), (319, 3124815), (435, 2291531), (451, 2210235), (615, 1620839), (957, 1041605), (1189, 838365), (1353, 736745), (1595, 624963), (2255, 442047), (3567, 279455), (4785, 208321), (5081, 196185), (5945, 167673), (6765, 147349), (13079, 76215), (15243, 65395), (17835, 55891), (25405, 39237)]