64001988

素因数分解:

$2^2\times 3^4\times {\mathrm{251}}^1\times {\mathrm{787}}^1$

素因数の和:1054

約数の個数: 60

約数和(自身を含む): 168193872

約数和(自身を除く): 104191884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 251, 324, 502, 753, 787, 1004, 1506, 1574, 2259, 2361, 3012, 3148, 4518, 4722, 6777, 7083, 9036, 9444, 13554, 14166, 20331, 21249, 27108, 28332, 40662, 42498, 63747, 81324, 84996, 127494, 197537, 254988, 395074, 592611, 790148, 1185222, 1777833, 2370444, 3555666, 5333499, 7111332, 10666998, 16000497, 21333996, 32000994, 64001988]

約数ペア:

[(1, 64001988), (2, 32000994), (3, 21333996), (4, 16000497), (6, 10666998), (9, 7111332), (12, 5333499), (18, 3555666), (27, 2370444), (36, 1777833), (54, 1185222), (81, 790148), (108, 592611), (162, 395074), (251, 254988), (324, 197537), (502, 127494), (753, 84996), (787, 81324), (1004, 63747), (1506, 42498), (1574, 40662), (2259, 28332), (2361, 27108), (3012, 21249), (3148, 20331), (4518, 14166), (4722, 13554), (6777, 9444), (7083, 9036)]