978796225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{491}}^1\times {\mathrm{659}}^1$

素因数の和:1182

約数の個数: 36

約数和(自身を含む): 1338820560

約数和(自身を除く): 360024335

約数列:

[1, 5, 11, 25, 55, 121, 275, 491, 605, 659, 2455, 3025, 3295, 5401, 7249, 12275, 16475, 27005, 36245, 59411, 79739, 135025, 181225, 297055, 323569, 398695, 1485275, 1617845, 1993475, 3559259, 8089225, 17796295, 39151849, 88981475, 195759245, 978796225]

約数ペア:

[(1, 978796225), (5, 195759245), (11, 88981475), (25, 39151849), (55, 17796295), (121, 8089225), (275, 3559259), (491, 1993475), (605, 1617845), (659, 1485275), (2455, 398695), (3025, 323569), (3295, 297055), (5401, 181225), (7249, 135025), (12275, 79739), (16475, 59411), (27005, 36245)]