13281328

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:301

約数の個数: 40

約数和(自身を含む): 26592048

約数和(自身を除く): 13310720

約数列:

[1, 2, 4, 8, 16, 73, 83, 137, 146, 166, 274, 292, 332, 548, 584, 664, 1096, 1168, 1328, 2192, 6059, 10001, 11371, 12118, 20002, 22742, 24236, 40004, 45484, 48472, 80008, 90968, 96944, 160016, 181936, 830083, 1660166, 3320332, 6640664, 13281328]

約数ペア:

[(1, 13281328), (2, 6640664), (4, 3320332), (8, 1660166), (16, 830083), (73, 181936), (83, 160016), (137, 96944), (146, 90968), (166, 80008), (274, 48472), (292, 45484), (332, 40004), (548, 24236), (584, 22742), (664, 20002), (1096, 12118), (1168, 11371), (1328, 10001), (2192, 6059)]