81358646

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 131779200

約数和(自身を除く): 50420554

約数列:

[1, 2, 19, 38, 73, 139, 146, 211, 278, 422, 1387, 2641, 2774, 4009, 5282, 8018, 10147, 15403, 20294, 29329, 30806, 58658, 192793, 292657, 385586, 557251, 585314, 1114502, 2141017, 4282034, 40679323, 81358646]

約数ペア:

[(1, 81358646), (2, 40679323), (19, 4282034), (38, 2141017), (73, 1114502), (139, 585314), (146, 557251), (211, 385586), (278, 292657), (422, 192793), (1387, 58658), (2641, 30806), (2774, 29329), (4009, 20294), (5282, 15403), (8018, 10147)]