64815972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2549}}^1$

素因数の和:2732

約数の個数: 48

約数和(自身を含む): 163934400

約数和(自身を除く): 99118428

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 163, 326, 489, 652, 978, 1956, 2119, 2549, 4238, 5098, 6357, 7647, 8476, 10196, 12714, 15294, 25428, 30588, 33137, 66274, 99411, 132548, 198822, 397644, 415487, 830974, 1246461, 1661948, 2492922, 4985844, 5401331, 10802662, 16203993, 21605324, 32407986, 64815972]

約数ペア:

[(1, 64815972), (2, 32407986), (3, 21605324), (4, 16203993), (6, 10802662), (12, 5401331), (13, 4985844), (26, 2492922), (39, 1661948), (52, 1246461), (78, 830974), (156, 415487), (163, 397644), (326, 198822), (489, 132548), (652, 99411), (978, 66274), (1956, 33137), (2119, 30588), (2549, 25428), (4238, 15294), (5098, 12714), (6357, 10196), (7647, 8476)]