258763225

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1213}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 390189312

約数和(自身を除く): 131426087

約数列:

[1, 5, 7, 23, 25, 35, 53, 115, 161, 175, 265, 371, 575, 805, 1213, 1219, 1325, 1855, 4025, 6065, 6095, 8491, 8533, 9275, 27899, 30325, 30475, 42455, 42665, 64289, 139495, 195293, 212275, 213325, 321445, 450023, 697475, 976465, 1478647, 1607225, 2250115, 4882325, 7393235, 10350529, 11250575, 36966175, 51752645, 258763225]

約数ペア:

[(1, 258763225), (5, 51752645), (7, 36966175), (23, 11250575), (25, 10350529), (35, 7393235), (53, 4882325), (115, 2250115), (161, 1607225), (175, 1478647), (265, 976465), (371, 697475), (575, 450023), (805, 321445), (1213, 213325), (1219, 212275), (1325, 195293), (1855, 139495), (4025, 64289), (6065, 42665), (6095, 42455), (8491, 30475), (8533, 30325), (9275, 27899)]