64947564

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:831

約数の個数: 72

約数和(自身を含む): 179983440

約数和(自身を除く): 115035876

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 401, 409, 802, 818, 1203, 1227, 1604, 1636, 2406, 2454, 3609, 3681, 4411, 4499, 4812, 4908, 7218, 7362, 8822, 8998, 13233, 13497, 14436, 14724, 17644, 17996, 26466, 26994, 39699, 40491, 52932, 53988, 79398, 80982, 158796, 161964, 164009, 328018, 492027, 656036, 984054, 1476081, 1804099, 1968108, 2952162, 3608198, 5412297, 5904324, 7216396, 10824594, 16236891, 21649188, 32473782, 64947564]

約数ペア:

[(1, 64947564), (2, 32473782), (3, 21649188), (4, 16236891), (6, 10824594), (9, 7216396), (11, 5904324), (12, 5412297), (18, 3608198), (22, 2952162), (33, 1968108), (36, 1804099), (44, 1476081), (66, 984054), (99, 656036), (132, 492027), (198, 328018), (396, 164009), (401, 161964), (409, 158796), (802, 80982), (818, 79398), (1203, 53988), (1227, 52932), (1604, 40491), (1636, 39699), (2406, 26994), (2454, 26466), (3609, 17996), (3681, 17644), (4411, 14724), (4499, 14436), (4812, 13497), (4908, 13233), (7218, 8998), (7362, 8822)]