278301366

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{736247}}^1$

素因数の和:736265

約数の個数: 32

約数和(自身を含む): 706798080

約数和(自身を除く): 428496714

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 736247, 1472494, 2208741, 4417482, 5153729, 6626223, 10307458, 13252446, 15461187, 19878669, 30922374, 39757338, 46383561, 92767122, 139150683, 278301366]

約数ペア:

[(1, 278301366), (2, 139150683), (3, 92767122), (6, 46383561), (7, 39757338), (9, 30922374), (14, 19878669), (18, 15461187), (21, 13252446), (27, 10307458), (42, 6626223), (54, 5153729), (63, 4417482), (126, 2208741), (189, 1472494), (378, 736247)]