278472194

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:712

約数の個数: 96

約数和(自身を含む): 590188032

約数和(自身を除く): 311715838

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 31, 49, 62, 77, 91, 98, 143, 154, 182, 217, 286, 341, 403, 434, 539, 637, 641, 682, 806, 1001, 1078, 1274, 1282, 1519, 2002, 2387, 2821, 3038, 4433, 4487, 4774, 5642, 7007, 7051, 8333, 8866, 8974, 14014, 14102, 16666, 16709, 19747, 19871, 31031, 31409, 33418, 39494, 39742, 49357, 58331, 62062, 62818, 91663, 98714, 116662, 139097, 183326, 217217, 218581, 258323, 278194, 345499, 408317, 434434, 437162, 516646, 641641, 690998, 816634, 973679, 1283282, 1530067, 1808261, 1947358, 2841553, 3060134, 3616522, 4491487, 5683106, 8982974, 10710469, 12657827, 19890871, 21420938, 25315654, 39781742, 139236097, 278472194]

約数ペア:

[(1, 278472194), (2, 139236097), (7, 39781742), (11, 25315654), (13, 21420938), (14, 19890871), (22, 12657827), (26, 10710469), (31, 8982974), (49, 5683106), (62, 4491487), (77, 3616522), (91, 3060134), (98, 2841553), (143, 1947358), (154, 1808261), (182, 1530067), (217, 1283282), (286, 973679), (341, 816634), (403, 690998), (434, 641641), (539, 516646), (637, 437162), (641, 434434), (682, 408317), (806, 345499), (1001, 278194), (1078, 258323), (1274, 218581), (1282, 217217), (1519, 183326), (2002, 139097), (2387, 116662), (2821, 98714), (3038, 91663), (4433, 62818), (4487, 62062), (4774, 58331), (5642, 49357), (7007, 39742), (7051, 39494), (8333, 33418), (8866, 31409), (8974, 31031), (14014, 19871), (14102, 19747), (16666, 16709)]