201420284

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{1031}}^1$

素因数の和:1095

約数の個数: 54

約数和(自身を含む): 405851544

約数和(自身を除く): 204431260

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 289, 338, 442, 578, 676, 884, 1031, 1156, 2062, 2873, 3757, 4124, 5746, 7514, 11492, 13403, 15028, 17527, 26806, 35054, 48841, 53612, 70108, 97682, 174239, 195364, 227851, 297959, 348478, 455702, 595918, 696956, 911404, 1191836, 2962063, 3873467, 5924126, 7746934, 11848252, 15493868, 50355071, 100710142, 201420284]

約数ペア:

[(1, 201420284), (2, 100710142), (4, 50355071), (13, 15493868), (17, 11848252), (26, 7746934), (34, 5924126), (52, 3873467), (68, 2962063), (169, 1191836), (221, 911404), (289, 696956), (338, 595918), (442, 455702), (578, 348478), (676, 297959), (884, 227851), (1031, 195364), (1156, 174239), (2062, 97682), (2873, 70108), (3757, 53612), (4124, 48841), (5746, 35054), (7514, 26806), (11492, 17527), (13403, 15028)]