213520216

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1217}}^1$

素因数の和:1484

約数の個数: 64

約数和(自身を含む): 495190080

約数和(自身を除く): 281669864

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 241, 364, 482, 728, 964, 1217, 1687, 1928, 2434, 3133, 3374, 4868, 6266, 6748, 8519, 9736, 12532, 13496, 15821, 17038, 21931, 25064, 31642, 34076, 43862, 63284, 68152, 87724, 110747, 126568, 175448, 221494, 293297, 442988, 586594, 885976, 1173188, 2053079, 2346376, 3812861, 4106158, 7625722, 8212316, 15251444, 16424632, 26690027, 30502888, 53380054, 106760108, 213520216]

約数ペア:

[(1, 213520216), (2, 106760108), (4, 53380054), (7, 30502888), (8, 26690027), (13, 16424632), (14, 15251444), (26, 8212316), (28, 7625722), (52, 4106158), (56, 3812861), (91, 2346376), (104, 2053079), (182, 1173188), (241, 885976), (364, 586594), (482, 442988), (728, 293297), (964, 221494), (1217, 175448), (1687, 126568), (1928, 110747), (2434, 87724), (3133, 68152), (3374, 63284), (4868, 43862), (6266, 34076), (6748, 31642), (8519, 25064), (9736, 21931), (12532, 17038), (13496, 15821)]