78375605

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 125411328

約数和(自身を除く): 47035723

約数列:

[1, 5, 7, 11, 23, 35, 53, 55, 77, 115, 161, 167, 253, 265, 371, 385, 583, 805, 835, 1169, 1219, 1265, 1771, 1837, 1855, 2915, 3841, 4081, 5845, 6095, 8533, 8851, 8855, 9185, 12859, 13409, 19205, 20405, 26887, 42251, 42665, 44255, 61957, 64295, 67045, 93863, 97361, 134435, 203573, 211255, 295757, 309785, 469315, 486805, 681527, 1017865, 1425011, 1478785, 2239303, 3407635, 7125055, 11196515, 15675121, 78375605]

約数ペア:

[(1, 78375605), (5, 15675121), (7, 11196515), (11, 7125055), (23, 3407635), (35, 2239303), (53, 1478785), (55, 1425011), (77, 1017865), (115, 681527), (161, 486805), (167, 469315), (253, 309785), (265, 295757), (371, 211255), (385, 203573), (583, 134435), (805, 97361), (835, 93863), (1169, 67045), (1219, 64295), (1265, 61957), (1771, 44255), (1837, 42665), (1855, 42251), (2915, 26887), (3841, 20405), (4081, 19205), (5845, 13409), (6095, 12859), (8533, 9185), (8851, 8855)]