890642478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{34513}}^1$

素因数の和:34569

約数の個数: 64

約数和(自身を含む): 2147046912

約数和(自身を除く): 1256404434

約数列:

[1, 2, 3, 6, 11, 17, 22, 23, 33, 34, 46, 51, 66, 69, 102, 138, 187, 253, 374, 391, 506, 561, 759, 782, 1122, 1173, 1518, 2346, 4301, 8602, 12903, 25806, 34513, 69026, 103539, 207078, 379643, 586721, 759286, 793799, 1138929, 1173442, 1587598, 1760163, 2277858, 2381397, 3520326, 4762794, 6453931, 8731789, 12907862, 13494583, 17463578, 19361793, 26195367, 26989166, 38723586, 40483749, 52390734, 80967498, 148440413, 296880826, 445321239, 890642478]

約数ペア:

[(1, 890642478), (2, 445321239), (3, 296880826), (6, 148440413), (11, 80967498), (17, 52390734), (22, 40483749), (23, 38723586), (33, 26989166), (34, 26195367), (46, 19361793), (51, 17463578), (66, 13494583), (69, 12907862), (102, 8731789), (138, 6453931), (187, 4762794), (253, 3520326), (374, 2381397), (391, 2277858), (506, 1760163), (561, 1587598), (759, 1173442), (782, 1138929), (1122, 793799), (1173, 759286), (1518, 586721), (2346, 379643), (4301, 207078), (8602, 103539), (12903, 69026), (25806, 34513)]