389712904

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{7741}}^1$

素因数の和:7814

約数の個数: 64

約数和(自身を含む): 891878400

約数和(自身を除く): 502165496

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 31, 56, 58, 62, 116, 124, 203, 217, 232, 248, 406, 434, 812, 868, 899, 1624, 1736, 1798, 3596, 6293, 7192, 7741, 12586, 15482, 25172, 30964, 50344, 54187, 61928, 108374, 216748, 224489, 239971, 433496, 448978, 479942, 897956, 959884, 1571423, 1679797, 1795912, 1919768, 3142846, 3359594, 6285692, 6719188, 6959159, 12571384, 13438376, 13918318, 27836636, 48714113, 55673272, 97428226, 194856452, 389712904]

約数ペア:

[(1, 389712904), (2, 194856452), (4, 97428226), (7, 55673272), (8, 48714113), (14, 27836636), (28, 13918318), (29, 13438376), (31, 12571384), (56, 6959159), (58, 6719188), (62, 6285692), (116, 3359594), (124, 3142846), (203, 1919768), (217, 1795912), (232, 1679797), (248, 1571423), (406, 959884), (434, 897956), (812, 479942), (868, 448978), (899, 433496), (1624, 239971), (1736, 224489), (1798, 216748), (3596, 108374), (6293, 61928), (7192, 54187), (7741, 50344), (12586, 30964), (15482, 25172)]