31415778

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{947}}^1$

素因数の和:1071

約数の個数: 48

約数和(自身を含む): 72465120

約数和(自身を除く): 41049342

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 97, 114, 171, 194, 291, 342, 582, 873, 947, 1746, 1843, 1894, 2841, 3686, 5529, 5682, 8523, 11058, 16587, 17046, 17993, 33174, 35986, 53979, 91859, 107958, 161937, 183718, 275577, 323874, 551154, 826731, 1653462, 1745321, 3490642, 5235963, 10471926, 15707889, 31415778]

約数ペア:

[(1, 31415778), (2, 15707889), (3, 10471926), (6, 5235963), (9, 3490642), (18, 1745321), (19, 1653462), (38, 826731), (57, 551154), (97, 323874), (114, 275577), (171, 183718), (194, 161937), (291, 107958), (342, 91859), (582, 53979), (873, 35986), (947, 33174), (1746, 17993), (1843, 17046), (1894, 16587), (2841, 11058), (3686, 8523), (5529, 5682)]