28720852008

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{2917}}^1\times {\mathrm{17837}}^1$

素因数の和:20786

約数の個数: 64

約数和(自身を含む): 74953848960

約数和(自身を除く): 46232996952

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276, 552, 2917, 5834, 8751, 11668, 17502, 17837, 23336, 35004, 35674, 53511, 67091, 70008, 71348, 107022, 134182, 142696, 201273, 214044, 268364, 402546, 410251, 428088, 536728, 805092, 820502, 1230753, 1610184, 1641004, 2461506, 3282008, 4923012, 9846024, 52030529, 104061058, 156091587, 208122116, 312183174, 416244232, 624366348, 1196702167, 1248732696, 2393404334, 3590106501, 4786808668, 7180213002, 9573617336, 14360426004, 28720852008]

約数ペア:

[(1, 28720852008), (2, 14360426004), (3, 9573617336), (4, 7180213002), (6, 4786808668), (8, 3590106501), (12, 2393404334), (23, 1248732696), (24, 1196702167), (46, 624366348), (69, 416244232), (92, 312183174), (138, 208122116), (184, 156091587), (276, 104061058), (552, 52030529), (2917, 9846024), (5834, 4923012), (8751, 3282008), (11668, 2461506), (17502, 1641004), (17837, 1610184), (23336, 1230753), (35004, 820502), (35674, 805092), (53511, 536728), (67091, 428088), (70008, 410251), (71348, 402546), (107022, 268364), (134182, 214044), (142696, 201273)]