249916996

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 507875200

約数和(自身を除く): 257958204

約数列:

[1, 2, 4, 7, 14, 28, 139, 157, 278, 314, 409, 556, 628, 818, 973, 1099, 1636, 1946, 2198, 2863, 3892, 4396, 5726, 11452, 21823, 43646, 56851, 64213, 87292, 113702, 128426, 152761, 227404, 256852, 305522, 397957, 449491, 611044, 795914, 898982, 1591828, 1797964, 8925607, 17851214, 35702428, 62479249, 124958498, 249916996]

約数ペア:

[(1, 249916996), (2, 124958498), (4, 62479249), (7, 35702428), (14, 17851214), (28, 8925607), (139, 1797964), (157, 1591828), (278, 898982), (314, 795914), (409, 611044), (556, 449491), (628, 397957), (818, 305522), (973, 256852), (1099, 227404), (1636, 152761), (1946, 128426), (2198, 113702), (2863, 87292), (3892, 64213), (4396, 56851), (5726, 43646), (11452, 21823)]