38339989636

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{443}}^2$

素因数の和:950

約数の個数: 81

約数和(自身を含む): 77352866031

約数和(自身を除く): 39012876395

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 289, 338, 442, 443, 578, 676, 884, 886, 1156, 1772, 2873, 3757, 5746, 5759, 7514, 7531, 11492, 11518, 15028, 15062, 23036, 30124, 48841, 74867, 97682, 97903, 128027, 149734, 195364, 195806, 196249, 256054, 299468, 391612, 392498, 512108, 784996, 1272739, 1664351, 2545478, 2551237, 3328702, 3336233, 5090956, 5102474, 6657404, 6672466, 10204948, 13344932, 21636563, 33166081, 43273126, 43371029, 56715961, 66332162, 86546252, 86742058, 113431922, 132664324, 173484116, 226863844, 563823377, 737307493, 1127646754, 1474614986, 2255293508, 2949229972, 9584997409, 19169994818, 38339989636]

約数ペア:

[(1, 38339989636), (2, 19169994818), (4, 9584997409), (13, 2949229972), (17, 2255293508), (26, 1474614986), (34, 1127646754), (52, 737307493), (68, 563823377), (169, 226863844), (221, 173484116), (289, 132664324), (338, 113431922), (442, 86742058), (443, 86546252), (578, 66332162), (676, 56715961), (884, 43371029), (886, 43273126), (1156, 33166081), (1772, 21636563), (2873, 13344932), (3757, 10204948), (5746, 6672466), (5759, 6657404), (7514, 5102474), (7531, 5090956), (11492, 3336233), (11518, 3328702), (15028, 2551237), (15062, 2545478), (23036, 1664351), (30124, 1272739), (48841, 784996), (74867, 512108), (97682, 392498), (97903, 391612), (128027, 299468), (149734, 256054), (195364, 196249)]