389538436

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1051}}^1$

素因数の和:1161

約数の個数: 72

約数和(自身を含む): 832780032

約数和(自身を除く): 443241596

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 61, 62, 98, 122, 124, 196, 217, 244, 427, 434, 854, 868, 1051, 1519, 1708, 1891, 2102, 2989, 3038, 3782, 4204, 5978, 6076, 7357, 7564, 11956, 13237, 14714, 26474, 29428, 32581, 51499, 52948, 64111, 65162, 92659, 102998, 128222, 130324, 185318, 205996, 228067, 256444, 370636, 448777, 456134, 897554, 912268, 1596469, 1795108, 1987441, 3141439, 3192938, 3974882, 6282878, 6385876, 7949764, 12565756, 13912087, 27824174, 55648348, 97384609, 194769218, 389538436]

約数ペア:

[(1, 389538436), (2, 194769218), (4, 97384609), (7, 55648348), (14, 27824174), (28, 13912087), (31, 12565756), (49, 7949764), (61, 6385876), (62, 6282878), (98, 3974882), (122, 3192938), (124, 3141439), (196, 1987441), (217, 1795108), (244, 1596469), (427, 912268), (434, 897554), (854, 456134), (868, 448777), (1051, 370636), (1519, 256444), (1708, 228067), (1891, 205996), (2102, 185318), (2989, 130324), (3038, 128222), (3782, 102998), (4204, 92659), (5978, 65162), (6076, 64111), (7357, 52948), (7564, 51499), (11956, 32581), (13237, 29428), (14714, 26474)]