399243292

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{10163}}^1$

素因数の和:10258

約数の個数: 48

約数和(自身を含む): 846945792

約数和(自身を除く): 447702500

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 61, 92, 122, 161, 244, 322, 427, 644, 854, 1403, 1708, 2806, 5612, 9821, 10163, 19642, 20326, 39284, 40652, 71141, 142282, 233749, 284564, 467498, 619943, 934996, 1239886, 1636243, 2479772, 3272486, 4339601, 6544972, 8679202, 14258689, 17358404, 28517378, 57034756, 99810823, 199621646, 399243292]

約数ペア:

[(1, 399243292), (2, 199621646), (4, 99810823), (7, 57034756), (14, 28517378), (23, 17358404), (28, 14258689), (46, 8679202), (61, 6544972), (92, 4339601), (122, 3272486), (161, 2479772), (244, 1636243), (322, 1239886), (427, 934996), (644, 619943), (854, 467498), (1403, 284564), (1708, 233749), (2806, 142282), (5612, 71141), (9821, 40652), (10163, 39284), (19642, 20326)]