81429816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{727}}^1$

素因数の和:1108

約数の個数: 64

約数和(自身を含む): 220147200

約数和(自身を除く): 138717384

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 359, 718, 727, 1077, 1436, 1454, 2154, 2181, 2872, 2908, 4308, 4362, 4667, 5816, 8616, 8724, 9334, 9451, 14001, 17448, 18668, 18902, 28002, 28353, 37336, 37804, 56004, 56706, 75608, 112008, 113412, 226824, 260993, 521986, 782979, 1043972, 1565958, 2087944, 3131916, 3392909, 6263832, 6785818, 10178727, 13571636, 20357454, 27143272, 40714908, 81429816]

約数ペア:

[(1, 81429816), (2, 40714908), (3, 27143272), (4, 20357454), (6, 13571636), (8, 10178727), (12, 6785818), (13, 6263832), (24, 3392909), (26, 3131916), (39, 2087944), (52, 1565958), (78, 1043972), (104, 782979), (156, 521986), (312, 260993), (359, 226824), (718, 113412), (727, 112008), (1077, 75608), (1436, 56706), (1454, 56004), (2154, 37804), (2181, 37336), (2872, 28353), (2908, 28002), (4308, 18902), (4362, 18668), (4667, 17448), (5816, 14001), (8616, 9451), (8724, 9334)]