256421494

素因数分解:

$2^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1\times {\mathrm{359}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 444925440

約数和(自身を除く): 188503946

約数列:

[1, 2, 7, 14, 163, 313, 326, 359, 626, 718, 1141, 2191, 2282, 2513, 4382, 5026, 51019, 58517, 102038, 112367, 117034, 224734, 357133, 409619, 714266, 786569, 819238, 1573138, 18315821, 36631642, 128210747, 256421494]

約数ペア:

[(1, 256421494), (2, 128210747), (7, 36631642), (14, 18315821), (163, 1573138), (313, 819238), (326, 786569), (359, 714266), (626, 409619), (718, 357133), (1141, 224734), (2191, 117034), (2282, 112367), (2513, 102038), (4382, 58517), (5026, 51019)]