311918124

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{409}}^1\times {\mathrm{1297}}^1$

素因数の和:1727

約数の個数: 72

約数和(自身を含む): 849359280

約数和(自身を除く): 537441156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 409, 588, 818, 1227, 1297, 1636, 2454, 2594, 2863, 3891, 4908, 5188, 5726, 7782, 8589, 9079, 11452, 15564, 17178, 18158, 20041, 27237, 34356, 36316, 40082, 54474, 60123, 63553, 80164, 108948, 120246, 127106, 190659, 240492, 254212, 381318, 530473, 762636, 1060946, 1591419, 2121892, 3182838, 3713311, 6365676, 7426622, 11139933, 14853244, 22279866, 25993177, 44559732, 51986354, 77979531, 103972708, 155959062, 311918124]

約数ペア:

[(1, 311918124), (2, 155959062), (3, 103972708), (4, 77979531), (6, 51986354), (7, 44559732), (12, 25993177), (14, 22279866), (21, 14853244), (28, 11139933), (42, 7426622), (49, 6365676), (84, 3713311), (98, 3182838), (147, 2121892), (196, 1591419), (294, 1060946), (409, 762636), (588, 530473), (818, 381318), (1227, 254212), (1297, 240492), (1636, 190659), (2454, 127106), (2594, 120246), (2863, 108948), (3891, 80164), (4908, 63553), (5188, 60123), (5726, 54474), (7782, 40082), (8589, 36316), (9079, 34356), (11452, 27237), (15564, 20041), (17178, 18158)]