71658125

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1489}}^1$

素因数の和:1527

約数の個数: 40

約数和(自身を含む): 111714240

約数和(自身を除く): 40056115

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 275, 385, 625, 875, 1375, 1489, 1925, 4375, 6875, 7445, 9625, 10423, 16379, 37225, 48125, 52115, 81895, 114653, 186125, 260575, 409475, 573265, 930625, 1302875, 2047375, 2866325, 6514375, 10236875, 14331625, 71658125]

約数ペア:

[(1, 71658125), (5, 14331625), (7, 10236875), (11, 6514375), (25, 2866325), (35, 2047375), (55, 1302875), (77, 930625), (125, 573265), (175, 409475), (275, 260575), (385, 186125), (625, 114653), (875, 81895), (1375, 52115), (1489, 48125), (1925, 37225), (4375, 16379), (6875, 10423), (7445, 9625)]