17969787535

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{2609}}^1$

素因数の和:2800

約数の個数: 64

約数和(自身を含む): 25978060800

約数和(自身を除く): 8008273265

約数列:

[1, 5, 7, 35, 47, 53, 79, 235, 265, 329, 371, 395, 553, 1645, 1855, 2491, 2609, 2765, 3713, 4187, 12455, 13045, 17437, 18263, 18565, 20935, 25991, 29309, 87185, 91315, 122623, 129955, 138277, 146545, 196789, 206111, 613115, 691385, 858361, 967939, 983945, 1030555, 1377523, 1442777, 4291805, 4839695, 6499019, 6887615, 7213885, 9687217, 10923883, 32495095, 45493133, 48436085, 54619415, 67810519, 76467181, 227465665, 339052595, 382335905, 513422501, 2567112505, 3593957507, 17969787535]

約数ペア:

[(1, 17969787535), (5, 3593957507), (7, 2567112505), (35, 513422501), (47, 382335905), (53, 339052595), (79, 227465665), (235, 76467181), (265, 67810519), (329, 54619415), (371, 48436085), (395, 45493133), (553, 32495095), (1645, 10923883), (1855, 9687217), (2491, 7213885), (2609, 6887615), (2765, 6499019), (3713, 4839695), (4187, 4291805), (12455, 1442777), (13045, 1377523), (17437, 1030555), (18263, 983945), (18565, 967939), (20935, 858361), (25991, 691385), (29309, 613115), (87185, 206111), (91315, 196789), (122623, 146545), (129955, 138277)]