639122288

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{26297}}^1$

素因数の和:26350

約数の個数: 60

約数和(自身を含む): 1486994112

約数和(自身を除く): 847871824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 392, 434, 496, 784, 868, 1519, 1736, 3038, 3472, 6076, 12152, 24304, 26297, 52594, 105188, 184079, 210376, 368158, 420752, 736316, 815207, 1288553, 1472632, 1630414, 2577106, 2945264, 3260828, 5154212, 5706449, 6521656, 10308424, 11412898, 13043312, 20616848, 22825796, 39945143, 45651592, 79890286, 91303184, 159780572, 319561144, 639122288]

約数ペア:

[(1, 639122288), (2, 319561144), (4, 159780572), (7, 91303184), (8, 79890286), (14, 45651592), (16, 39945143), (28, 22825796), (31, 20616848), (49, 13043312), (56, 11412898), (62, 10308424), (98, 6521656), (112, 5706449), (124, 5154212), (196, 3260828), (217, 2945264), (248, 2577106), (392, 1630414), (434, 1472632), (496, 1288553), (784, 815207), (868, 736316), (1519, 420752), (1736, 368158), (3038, 210376), (3472, 184079), (6076, 105188), (12152, 52594), (24304, 26297)]