15691585021

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{2161}}^1$

素因数の和:2594

約数の個数: 48

約数和(自身を含む): 20230093440

約数和(自身を除く): 4538508419

約数列:

[1, 7, 17, 23, 49, 119, 161, 379, 391, 833, 1127, 2161, 2653, 2737, 6443, 8717, 15127, 18571, 19159, 36737, 45101, 49703, 61019, 105889, 148189, 257159, 315707, 347921, 427133, 819019, 844951, 1037323, 1800113, 2435447, 5733133, 5914657, 7261261, 13923323, 18837437, 40131931, 41402599, 97463261, 131862059, 320236429, 682242827, 923034413, 2241655003, 15691585021]

約数ペア:

[(1, 15691585021), (7, 2241655003), (17, 923034413), (23, 682242827), (49, 320236429), (119, 131862059), (161, 97463261), (379, 41402599), (391, 40131931), (833, 18837437), (1127, 13923323), (2161, 7261261), (2653, 5914657), (2737, 5733133), (6443, 2435447), (8717, 1800113), (15127, 1037323), (18571, 844951), (19159, 819019), (36737, 427133), (45101, 347921), (49703, 315707), (61019, 257159), (105889, 148189)]