399615944

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{5659}}^1$

素因数の和:5782

約数の個数: 64

約数和(自身を含む): 931862400

約数和(自身を除く): 532246456

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 97, 104, 182, 194, 364, 388, 679, 728, 776, 1261, 1358, 2522, 2716, 5044, 5432, 5659, 8827, 10088, 11318, 17654, 22636, 35308, 39613, 45272, 70616, 73567, 79226, 147134, 158452, 294268, 316904, 514969, 548923, 588536, 1029938, 1097846, 2059876, 2195692, 3842461, 4119752, 4391384, 7135999, 7684922, 14271998, 15369844, 28543996, 30739688, 49951993, 57087992, 99903986, 199807972, 399615944]

約数ペア:

[(1, 399615944), (2, 199807972), (4, 99903986), (7, 57087992), (8, 49951993), (13, 30739688), (14, 28543996), (26, 15369844), (28, 14271998), (52, 7684922), (56, 7135999), (91, 4391384), (97, 4119752), (104, 3842461), (182, 2195692), (194, 2059876), (364, 1097846), (388, 1029938), (679, 588536), (728, 548923), (776, 514969), (1261, 316904), (1358, 294268), (2522, 158452), (2716, 147134), (5044, 79226), (5432, 73567), (5659, 70616), (8827, 45272), (10088, 39613), (11318, 35308), (17654, 22636)]