221493488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1873}}^1$

素因数の和:2289

約数の個数: 40

約数和(自身を含む): 453133200

約数和(自身を除く): 231639712

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 389, 778, 1556, 1873, 3112, 3746, 6224, 7391, 7492, 14782, 14984, 29564, 29968, 35587, 59128, 71174, 118256, 142348, 284696, 569392, 728597, 1457194, 2914388, 5828776, 11657552, 13843343, 27686686, 55373372, 110746744, 221493488]

約数ペア:

[(1, 221493488), (2, 110746744), (4, 55373372), (8, 27686686), (16, 13843343), (19, 11657552), (38, 5828776), (76, 2914388), (152, 1457194), (304, 728597), (389, 569392), (778, 284696), (1556, 142348), (1873, 118256), (3112, 71174), (3746, 59128), (6224, 35587), (7391, 29968), (7492, 29564), (14782, 14984)]