660883964

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:679

約数の個数: 48

約数和(自身を含む): 1263494400

約数和(自身を除く): 602610436

約数列:

[1, 2, 4, 13, 26, 52, 157, 169, 314, 338, 479, 628, 676, 958, 1916, 2041, 2197, 4082, 4394, 6227, 8164, 8788, 12454, 24908, 26533, 53066, 75203, 80951, 106132, 150406, 161902, 300812, 323804, 344929, 689858, 977639, 1052363, 1379716, 1955278, 2104726, 3910556, 4209452, 12709307, 25418614, 50837228, 165220991, 330441982, 660883964]

約数ペア:

[(1, 660883964), (2, 330441982), (4, 165220991), (13, 50837228), (26, 25418614), (52, 12709307), (157, 4209452), (169, 3910556), (314, 2104726), (338, 1955278), (479, 1379716), (628, 1052363), (676, 977639), (958, 689858), (1916, 344929), (2041, 323804), (2197, 300812), (4082, 161902), (4394, 150406), (6227, 106132), (8164, 80951), (8788, 75203), (12454, 53066), (24908, 26533)]