278742516

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{137447}}^1$

素因数の和:137480

約数の個数: 36

約数和(自身を含む): 704283552

約数和(自身を除く): 425541036

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 137447, 274894, 412341, 549788, 824682, 1649364, 1786811, 3573622, 5360433, 7147244, 10720866, 21441732, 23228543, 46457086, 69685629, 92914172, 139371258, 278742516]

約数ペア:

[(1, 278742516), (2, 139371258), (3, 92914172), (4, 69685629), (6, 46457086), (12, 23228543), (13, 21441732), (26, 10720866), (39, 7147244), (52, 5360433), (78, 3573622), (156, 1786811), (169, 1649364), (338, 824682), (507, 549788), (676, 412341), (1014, 274894), (2028, 137447)]