81119402

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1553}}^1$

素因数の和:1623

約数の個数: 48

約数和(自身を含む): 156251592

約数和(自身を除く): 75132190

約数列:

[1, 2, 7, 13, 14, 26, 41, 49, 82, 91, 98, 182, 287, 533, 574, 637, 1066, 1274, 1553, 2009, 3106, 3731, 4018, 7462, 10871, 20189, 21742, 26117, 40378, 52234, 63673, 76097, 127346, 141323, 152194, 282646, 445711, 827749, 891422, 989261, 1655498, 1978522, 3119977, 5794243, 6239954, 11588486, 40559701, 81119402]

約数ペア:

[(1, 81119402), (2, 40559701), (7, 11588486), (13, 6239954), (14, 5794243), (26, 3119977), (41, 1978522), (49, 1655498), (82, 989261), (91, 891422), (98, 827749), (182, 445711), (287, 282646), (533, 152194), (574, 141323), (637, 127346), (1066, 76097), (1274, 63673), (1553, 52234), (2009, 40378), (3106, 26117), (3731, 21742), (4018, 20189), (7462, 10871)]