89899628

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{257}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 200856096

約数和(自身を除く): 110956468

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 257, 364, 403, 434, 514, 806, 868, 961, 1028, 1612, 1799, 1922, 2821, 3341, 3598, 3844, 5642, 6682, 6727, 7196, 7967, 11284, 12493, 13364, 13454, 15934, 23387, 24986, 26908, 31868, 46774, 49972, 55769, 87451, 93548, 103571, 111538, 174902, 207142, 223076, 246977, 349804, 414284, 493954, 724997, 987908, 1449994, 1728839, 2899988, 3210701, 3457678, 6421402, 6915356, 12842804, 22474907, 44949814, 89899628]

約数ペア:

[(1, 89899628), (2, 44949814), (4, 22474907), (7, 12842804), (13, 6915356), (14, 6421402), (26, 3457678), (28, 3210701), (31, 2899988), (52, 1728839), (62, 1449994), (91, 987908), (124, 724997), (182, 493954), (217, 414284), (257, 349804), (364, 246977), (403, 223076), (434, 207142), (514, 174902), (806, 111538), (868, 103571), (961, 93548), (1028, 87451), (1612, 55769), (1799, 49972), (1922, 46774), (2821, 31868), (3341, 26908), (3598, 24986), (3844, 23387), (5642, 15934), (6682, 13454), (6727, 13364), (7196, 12493), (7967, 11284)]