53991875

素因数分解:

$5^4\times 7^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:118

約数の個数: 60

約数和(自身を含む): 82267416

約数和(自身を除く): 28275541

約数列:

[1, 5, 7, 25, 35, 41, 43, 49, 125, 175, 205, 215, 245, 287, 301, 625, 875, 1025, 1075, 1225, 1435, 1505, 1763, 2009, 2107, 4375, 5125, 5375, 6125, 7175, 7525, 8815, 10045, 10535, 12341, 25625, 26875, 30625, 35875, 37625, 44075, 50225, 52675, 61705, 86387, 179375, 188125, 220375, 251125, 263375, 308525, 431935, 1101875, 1255625, 1316875, 1542625, 2159675, 7713125, 10798375, 53991875]

約数ペア:

[(1, 53991875), (5, 10798375), (7, 7713125), (25, 2159675), (35, 1542625), (41, 1316875), (43, 1255625), (49, 1101875), (125, 431935), (175, 308525), (205, 263375), (215, 251125), (245, 220375), (287, 188125), (301, 179375), (625, 86387), (875, 61705), (1025, 52675), (1075, 50225), (1225, 44075), (1435, 37625), (1505, 35875), (1763, 30625), (2009, 26875), (2107, 25625), (4375, 12341), (5125, 10535), (5375, 10045), (6125, 8815), (7175, 7525)]