289094806

素因数分解:

$2^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 80

約数和(自身を含む): 595739088

約数和(自身を除く): 306644282

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 286, 343, 421, 539, 637, 686, 842, 1001, 1078, 1274, 2002, 2401, 2947, 3773, 4459, 4631, 4802, 5473, 5894, 7007, 7546, 8918, 9262, 10946, 14014, 20629, 26411, 31213, 32417, 38311, 41258, 49049, 52822, 60203, 62426, 64834, 76622, 98098, 120406, 144403, 226919, 268177, 288806, 343343, 421421, 453838, 536354, 686686, 842842, 1010821, 1588433, 1877239, 2021642, 2949947, 3176866, 3754478, 5899894, 11119031, 13140673, 20649629, 22238062, 26281346, 41299258, 144547403, 289094806]

約数ペア:

[(1, 289094806), (2, 144547403), (7, 41299258), (11, 26281346), (13, 22238062), (14, 20649629), (22, 13140673), (26, 11119031), (49, 5899894), (77, 3754478), (91, 3176866), (98, 2949947), (143, 2021642), (154, 1877239), (182, 1588433), (286, 1010821), (343, 842842), (421, 686686), (539, 536354), (637, 453838), (686, 421421), (842, 343343), (1001, 288806), (1078, 268177), (1274, 226919), (2002, 144403), (2401, 120406), (2947, 98098), (3773, 76622), (4459, 64834), (4631, 62426), (4802, 60203), (5473, 52822), (5894, 49049), (7007, 41258), (7546, 38311), (8918, 32417), (9262, 31213), (10946, 26411), (14014, 20629)]