398771884

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{10151}}^1$

素因数の和:10246

約数の個数: 48

約数和(自身を含む): 845945856

約数和(自身を除く): 447173972

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, 10151, 19642, 20302, 39284, 40604, 71057, 142114, 233473, 284228, 466946, 619211, 933892, 1238422, 1634311, 2476844, 3268622, 4334477, 6537244, 8668954, 14241853, 17337908, 28483706, 56967412, 99692971, 199385942, 398771884]

約数ペア:

[(1, 398771884), (2, 199385942), (4, 99692971), (7, 56967412), (14, 28483706), (23, 17337908), (28, 14241853), (46, 8668954), (61, 6537244), (92, 4334477), (122, 3268622), (161, 2476844), (244, 1634311), (322, 1238422), (427, 933892), (644, 619211), (854, 466946), (1403, 284228), (1708, 233473), (2806, 142114), (5612, 71057), (9821, 40604), (10151, 39284), (19642, 20302)]