51164872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 111974400

約数和(自身を除く): 60809528

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 71, 76, 88, 142, 152, 209, 284, 418, 431, 568, 781, 836, 862, 1349, 1562, 1672, 1724, 2698, 3124, 3448, 4741, 5396, 6248, 8189, 9482, 10792, 14839, 16378, 18964, 29678, 30601, 32756, 37928, 59356, 61202, 65512, 90079, 118712, 122404, 180158, 244808, 336611, 360316, 581419, 673222, 720632, 1162838, 1346444, 2325676, 2692888, 4651352, 6395609, 12791218, 25582436, 51164872]

約数ペア:

[(1, 51164872), (2, 25582436), (4, 12791218), (8, 6395609), (11, 4651352), (19, 2692888), (22, 2325676), (38, 1346444), (44, 1162838), (71, 720632), (76, 673222), (88, 581419), (142, 360316), (152, 336611), (209, 244808), (284, 180158), (418, 122404), (431, 118712), (568, 90079), (781, 65512), (836, 61202), (862, 59356), (1349, 37928), (1562, 32756), (1672, 30601), (1724, 29678), (2698, 18964), (3124, 16378), (3448, 14839), (4741, 10792), (5396, 9482), (6248, 8189)]