647360012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{3253}}^1$

素因数の和:3402

約数の個数: 48

約数和(自身を含む): 1262812320

約数和(自身を除く): 615452308

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 89, 172, 178, 356, 559, 1118, 1157, 2236, 2314, 3253, 3827, 4628, 6506, 7654, 13012, 15308, 42289, 49751, 84578, 99502, 139879, 169156, 199004, 279758, 289517, 559516, 579034, 1158068, 1818427, 3636854, 3763721, 7273708, 7527442, 12449231, 15054884, 24898462, 49796924, 161840003, 323680006, 647360012]

約数ペア:

[(1, 647360012), (2, 323680006), (4, 161840003), (13, 49796924), (26, 24898462), (43, 15054884), (52, 12449231), (86, 7527442), (89, 7273708), (172, 3763721), (178, 3636854), (356, 1818427), (559, 1158068), (1118, 579034), (1157, 559516), (2236, 289517), (2314, 279758), (3253, 199004), (3827, 169156), (4628, 139879), (6506, 99502), (7654, 84578), (13012, 49751), (15308, 42289)]