287386372

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{61}}^1$

素因数の和:178

約数の個数: 108

約数和(自身を含む): 655606476

約数和(自身を除く): 368220104

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 49, 52, 61, 86, 91, 98, 122, 172, 182, 196, 244, 301, 364, 427, 559, 602, 637, 793, 854, 1118, 1204, 1274, 1586, 1708, 1849, 2107, 2236, 2548, 2623, 2989, 3172, 3698, 3913, 4214, 5246, 5551, 5978, 7396, 7826, 8428, 10492, 11102, 11956, 12943, 15652, 18361, 22204, 24037, 25886, 27391, 34099, 36722, 38857, 48074, 51772, 54782, 68198, 73444, 77714, 90601, 96148, 109564, 112789, 128527, 136396, 155428, 168259, 181202, 225578, 238693, 257054, 336518, 362404, 451156, 477386, 514108, 673036, 789523, 954772, 1177813, 1466257, 1579046, 1670851, 2355626, 2932514, 3158092, 3341702, 4711252, 5526661, 5865028, 6683404, 10263799, 11053322, 20527598, 22106644, 41055196, 71846593, 143693186, 287386372]

約数ペア:

[(1, 287386372), (2, 143693186), (4, 71846593), (7, 41055196), (13, 22106644), (14, 20527598), (26, 11053322), (28, 10263799), (43, 6683404), (49, 5865028), (52, 5526661), (61, 4711252), (86, 3341702), (91, 3158092), (98, 2932514), (122, 2355626), (172, 1670851), (182, 1579046), (196, 1466257), (244, 1177813), (301, 954772), (364, 789523), (427, 673036), (559, 514108), (602, 477386), (637, 451156), (793, 362404), (854, 336518), (1118, 257054), (1204, 238693), (1274, 225578), (1586, 181202), (1708, 168259), (1849, 155428), (2107, 136396), (2236, 128527), (2548, 112789), (2623, 109564), (2989, 96148), (3172, 90601), (3698, 77714), (3913, 73444), (4214, 68198), (5246, 54782), (5551, 51772), (5978, 48074), (7396, 38857), (7826, 36722), (8428, 34099), (10492, 27391), (11102, 25886), (11956, 24037), (12943, 22204), (15652, 18361)]