81563344

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{433}}^1$

素因数の和:695

約数の個数: 40

約数和(自身を含む): 161824712

約数和(自身を除く): 80261368

約数列:

[1, 2, 4, 8, 16, 61, 122, 193, 244, 386, 433, 488, 772, 866, 976, 1544, 1732, 3088, 3464, 6928, 11773, 23546, 26413, 47092, 52826, 83569, 94184, 105652, 167138, 188368, 211304, 334276, 422608, 668552, 1337104, 5097709, 10195418, 20390836, 40781672, 81563344]

約数ペア:

[(1, 81563344), (2, 40781672), (4, 20390836), (8, 10195418), (16, 5097709), (61, 1337104), (122, 668552), (193, 422608), (244, 334276), (386, 211304), (433, 188368), (488, 167138), (772, 105652), (866, 94184), (976, 83569), (1544, 52826), (1732, 47092), (3088, 26413), (3464, 23546), (6928, 11773)]