1561624442

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1231}}^1$

素因数の和:1387

約数の個数: 64

約数和(自身を含む): 2876375040

約数和(自身を除く): 1314750598

約数列:

[1, 2, 7, 14, 31, 37, 62, 74, 79, 158, 217, 259, 434, 518, 553, 1106, 1147, 1231, 2294, 2449, 2462, 2923, 4898, 5846, 8029, 8617, 16058, 17143, 17234, 20461, 34286, 38161, 40922, 45547, 76322, 90613, 91094, 97249, 181226, 194498, 267127, 318829, 534254, 634291, 637658, 680743, 1268582, 1361486, 1411957, 2823914, 3014719, 3598213, 6029438, 7196426, 9883699, 19767398, 21103033, 25187491, 42206066, 50374982, 111544603, 223089206, 780812221, 1561624442]

約数ペア:

[(1, 1561624442), (2, 780812221), (7, 223089206), (14, 111544603), (31, 50374982), (37, 42206066), (62, 25187491), (74, 21103033), (79, 19767398), (158, 9883699), (217, 7196426), (259, 6029438), (434, 3598213), (518, 3014719), (553, 2823914), (1106, 1411957), (1147, 1361486), (1231, 1268582), (2294, 680743), (2449, 637658), (2462, 634291), (2923, 534254), (4898, 318829), (5846, 267127), (8029, 194498), (8617, 181226), (16058, 97249), (17143, 91094), (17234, 90613), (20461, 76322), (34286, 45547), (38161, 40922)]