1661778828

素因数分解:

$2^2\times 3^7\times {\mathrm{189961}}^1$

素因数の和:189986

約数の個数: 48

約数和(自身を含む): 4361527520

約数和(自身を除く): 2699748692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2187, 2916, 4374, 8748, 189961, 379922, 569883, 759844, 1139766, 1709649, 2279532, 3419298, 5128947, 6838596, 10257894, 15386841, 20515788, 30773682, 46160523, 61547364, 92321046, 138481569, 184642092, 276963138, 415444707, 553926276, 830889414, 1661778828]

約数ペア:

[(1, 1661778828), (2, 830889414), (3, 553926276), (4, 415444707), (6, 276963138), (9, 184642092), (12, 138481569), (18, 92321046), (27, 61547364), (36, 46160523), (54, 30773682), (81, 20515788), (108, 15386841), (162, 10257894), (243, 6838596), (324, 5128947), (486, 3419298), (729, 2279532), (972, 1709649), (1458, 1139766), (2187, 759844), (2916, 569883), (4374, 379922), (8748, 189961)]