15838396

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 33288192

約数和(自身を除く): 17449796

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 71, 124, 142, 217, 257, 284, 434, 497, 514, 868, 994, 1028, 1799, 1988, 2201, 3598, 4402, 7196, 7967, 8804, 15407, 15934, 18247, 30814, 31868, 36494, 55769, 61628, 72988, 111538, 127729, 223076, 255458, 510916, 565657, 1131314, 2262628, 3959599, 7919198, 15838396]

約数ペア:

[(1, 15838396), (2, 7919198), (4, 3959599), (7, 2262628), (14, 1131314), (28, 565657), (31, 510916), (62, 255458), (71, 223076), (124, 127729), (142, 111538), (217, 72988), (257, 61628), (284, 55769), (434, 36494), (497, 31868), (514, 30814), (868, 18247), (994, 15934), (1028, 15407), (1799, 8804), (1988, 7967), (2201, 7196), (3598, 4402)]