259645412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2411}}^1$

素因数の和:2556

約数の個数: 48

約数和(自身を含む): 520027200

約数和(自身を除く): 260381788

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 109, 218, 247, 436, 494, 988, 1417, 2071, 2411, 2834, 4142, 4822, 5668, 8284, 9644, 26923, 31343, 45809, 53846, 62686, 91618, 107692, 125372, 183236, 262799, 525598, 595517, 1051196, 1191034, 2382068, 3416387, 4993181, 6832774, 9986362, 13665548, 19972724, 64911353, 129822706, 259645412]

約数ペア:

[(1, 259645412), (2, 129822706), (4, 64911353), (13, 19972724), (19, 13665548), (26, 9986362), (38, 6832774), (52, 4993181), (76, 3416387), (109, 2382068), (218, 1191034), (247, 1051196), (436, 595517), (494, 525598), (988, 262799), (1417, 183236), (2071, 125372), (2411, 107692), (2834, 91618), (4142, 62686), (4822, 53846), (5668, 45809), (8284, 31343), (9644, 26923)]