397443508

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2221}}^1$

素因数の和:2333

約数の個数: 72

約数和(自身を含む): 893670624

約数和(自身を除く): 496227116

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 83, 98, 154, 166, 196, 308, 332, 539, 581, 913, 1078, 1162, 1826, 2156, 2221, 2324, 3652, 4067, 4442, 6391, 8134, 8884, 12782, 15547, 16268, 24431, 25564, 31094, 44737, 48862, 62188, 89474, 97724, 108829, 171017, 178948, 184343, 217658, 342034, 368686, 435316, 684068, 737372, 1197119, 1290401, 2027773, 2394238, 2580802, 4055546, 4788476, 5161604, 8111092, 9032807, 14194411, 18065614, 28388822, 36131228, 56777644, 99360877, 198721754, 397443508]

約数ペア:

[(1, 397443508), (2, 198721754), (4, 99360877), (7, 56777644), (11, 36131228), (14, 28388822), (22, 18065614), (28, 14194411), (44, 9032807), (49, 8111092), (77, 5161604), (83, 4788476), (98, 4055546), (154, 2580802), (166, 2394238), (196, 2027773), (308, 1290401), (332, 1197119), (539, 737372), (581, 684068), (913, 435316), (1078, 368686), (1162, 342034), (1826, 217658), (2156, 184343), (2221, 178948), (2324, 171017), (3652, 108829), (4067, 97724), (4442, 89474), (6391, 62188), (8134, 48862), (8884, 44737), (12782, 31094), (15547, 25564), (16268, 24431)]