39800972

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:726

約数の個数: 36

約数和(自身を含む): 75337416

約数和(自身を除く): 35536444

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 361, 641, 722, 817, 1282, 1444, 1634, 2564, 3268, 12179, 15523, 24358, 27563, 31046, 48716, 55126, 62092, 110252, 231401, 462802, 523697, 925604, 1047394, 2094788, 9950243, 19900486, 39800972]

約数ペア:

[(1, 39800972), (2, 19900486), (4, 9950243), (19, 2094788), (38, 1047394), (43, 925604), (76, 523697), (86, 462802), (172, 231401), (361, 110252), (641, 62092), (722, 55126), (817, 48716), (1282, 31046), (1444, 27563), (1634, 24358), (2564, 15523), (3268, 12179)]