199982772

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{2113}}^1$

素因数の和:2373

約数の個数: 72

約数和(自身を含む): 554037120

約数和(自身を除く): 354054348

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 239, 396, 478, 717, 956, 1434, 2113, 2151, 2629, 2868, 4226, 4302, 5258, 6339, 7887, 8452, 8604, 10516, 12678, 15774, 19017, 23243, 23661, 25356, 31548, 38034, 46486, 47322, 69729, 76068, 92972, 94644, 139458, 209187, 278916, 418374, 505007, 836748, 1010014, 1515021, 2020028, 3030042, 4545063, 5555077, 6060084, 9090126, 11110154, 16665231, 18180252, 22220308, 33330462, 49995693, 66660924, 99991386, 199982772]

約数ペア:

[(1, 199982772), (2, 99991386), (3, 66660924), (4, 49995693), (6, 33330462), (9, 22220308), (11, 18180252), (12, 16665231), (18, 11110154), (22, 9090126), (33, 6060084), (36, 5555077), (44, 4545063), (66, 3030042), (99, 2020028), (132, 1515021), (198, 1010014), (239, 836748), (396, 505007), (478, 418374), (717, 278916), (956, 209187), (1434, 139458), (2113, 94644), (2151, 92972), (2629, 76068), (2868, 69729), (4226, 47322), (4302, 46486), (5258, 38034), (6339, 31548), (7887, 25356), (8452, 23661), (8604, 23243), (10516, 19017), (12678, 15774)]