81972935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1669}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 115430400

約数和(自身を除く): 33457465

約数列:

[1, 5, 11, 19, 47, 55, 95, 209, 235, 517, 893, 1045, 1669, 2585, 4465, 8345, 9823, 18359, 31711, 49115, 78443, 91795, 158555, 348821, 392215, 862873, 1490417, 1744105, 4314365, 7452085, 16394587, 81972935]

約数ペア:

[(1, 81972935), (5, 16394587), (11, 7452085), (19, 4314365), (47, 1744105), (55, 1490417), (95, 862873), (209, 392215), (235, 348821), (517, 158555), (893, 91795), (1045, 78443), (1669, 49115), (2585, 31711), (4465, 18359), (8345, 9823)]