161689976

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{809}}^1$

素因数の和:948

約数の個数: 64

約数和(自身を含む): 359251200

約数和(自身を除く): 197561224

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 83, 86, 166, 172, 301, 332, 344, 581, 602, 664, 809, 1162, 1204, 1618, 2324, 2408, 3236, 3569, 4648, 5663, 6472, 7138, 11326, 14276, 22652, 24983, 28552, 34787, 45304, 49966, 67147, 69574, 99932, 134294, 139148, 199864, 243509, 268588, 278296, 470029, 487018, 537176, 940058, 974036, 1880116, 1948072, 2887321, 3760232, 5774642, 11549284, 20211247, 23098568, 40422494, 80844988, 161689976]

約数ペア:

[(1, 161689976), (2, 80844988), (4, 40422494), (7, 23098568), (8, 20211247), (14, 11549284), (28, 5774642), (43, 3760232), (56, 2887321), (83, 1948072), (86, 1880116), (166, 974036), (172, 940058), (301, 537176), (332, 487018), (344, 470029), (581, 278296), (602, 268588), (664, 243509), (809, 199864), (1162, 139148), (1204, 134294), (1618, 99932), (2324, 69574), (2408, 67147), (3236, 49966), (3569, 45304), (4648, 34787), (5663, 28552), (6472, 24983), (7138, 22652), (11326, 14276)]