1686054188

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{587}}^1\times {\mathrm{607}}^1$

素因数の和:1231

約数の個数: 72

約数和(自身を含む): 3663700992

約数和(自身を除く): 1977646804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 587, 607, 676, 1174, 1183, 1214, 2348, 2366, 2428, 4109, 4249, 4732, 7631, 7891, 8218, 8498, 15262, 15782, 16436, 16996, 30524, 31564, 53417, 55237, 99203, 102583, 106834, 110474, 198406, 205166, 213668, 220948, 356309, 396812, 410332, 694421, 712618, 718081, 1388842, 1425236, 1436162, 2494163, 2777684, 2872324, 4632017, 4988326, 9264034, 9976652, 18528068, 32424119, 60216221, 64848238, 120432442, 129696476, 240864884, 421513547, 843027094, 1686054188]

約数ペア:

[(1, 1686054188), (2, 843027094), (4, 421513547), (7, 240864884), (13, 129696476), (14, 120432442), (26, 64848238), (28, 60216221), (52, 32424119), (91, 18528068), (169, 9976652), (182, 9264034), (338, 4988326), (364, 4632017), (587, 2872324), (607, 2777684), (676, 2494163), (1174, 1436162), (1183, 1425236), (1214, 1388842), (2348, 718081), (2366, 712618), (2428, 694421), (4109, 410332), (4249, 396812), (4732, 356309), (7631, 220948), (7891, 213668), (8218, 205166), (8498, 198406), (15262, 110474), (15782, 106834), (16436, 102583), (16996, 99203), (30524, 55237), (31564, 53417)]