81217272

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{631}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 211138560

約数和(自身を除く): 129921288

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 173, 186, 248, 346, 372, 519, 631, 692, 744, 1038, 1262, 1384, 1893, 2076, 2524, 3786, 4152, 5048, 5363, 7572, 10726, 15144, 16089, 19561, 21452, 32178, 39122, 42904, 58683, 64356, 78244, 109163, 117366, 128712, 156488, 218326, 234732, 327489, 436652, 469464, 654978, 873304, 1309956, 2619912, 3384053, 6768106, 10152159, 13536212, 20304318, 27072424, 40608636, 81217272]

約数ペア:

[(1, 81217272), (2, 40608636), (3, 27072424), (4, 20304318), (6, 13536212), (8, 10152159), (12, 6768106), (24, 3384053), (31, 2619912), (62, 1309956), (93, 873304), (124, 654978), (173, 469464), (186, 436652), (248, 327489), (346, 234732), (372, 218326), (519, 156488), (631, 128712), (692, 117366), (744, 109163), (1038, 78244), (1262, 64356), (1384, 58683), (1893, 42904), (2076, 39122), (2524, 32178), (3786, 21452), (4152, 19561), (5048, 16089), (5363, 15144), (7572, 10726)]