261640995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{631}}^1$

素因数の和:1016

約数の個数: 64

約数和(自身を含む): 524206080

約数和(自身を除く): 262565085

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 359, 385, 631, 1077, 1155, 1795, 1893, 2513, 3155, 3949, 4417, 5385, 6941, 7539, 9465, 11847, 12565, 13251, 19745, 20823, 22085, 27643, 34705, 37695, 48587, 59235, 66255, 82929, 104115, 138215, 145761, 226529, 242935, 414645, 679587, 728805, 1132645, 1585703, 2491819, 3397935, 4757109, 7475457, 7928515, 12459095, 17442733, 23785545, 37377285, 52328199, 87213665, 261640995]

約数ペア:

[(1, 261640995), (3, 87213665), (5, 52328199), (7, 37377285), (11, 23785545), (15, 17442733), (21, 12459095), (33, 7928515), (35, 7475457), (55, 4757109), (77, 3397935), (105, 2491819), (165, 1585703), (231, 1132645), (359, 728805), (385, 679587), (631, 414645), (1077, 242935), (1155, 226529), (1795, 145761), (1893, 138215), (2513, 104115), (3155, 82929), (3949, 66255), (4417, 59235), (5385, 48587), (6941, 37695), (7539, 34705), (9465, 27643), (11847, 22085), (12565, 20823), (13251, 19745)]