81377296

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5081}}^1$

素因数の和:5120

約数の個数: 80

約数和(自身を含む): 211736448

約数和(自身を除く): 130359152

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 4004, 5081, 8008, 10162, 16016, 20324, 35567, 40648, 55891, 66053, 71134, 81296, 111782, 132106, 142268, 223564, 264212, 284536, 391237, 447128, 462371, 528424, 569072, 726583, 782474, 894256, 924742, 1056848, 1453166, 1564948, 1849484, 2906332, 3129896, 3698968, 5086081, 5812664, 6259792, 7397936, 10172162, 11625328, 20344324, 40688648, 81377296]

約数ペア:

[(1, 81377296), (2, 40688648), (4, 20344324), (7, 11625328), (8, 10172162), (11, 7397936), (13, 6259792), (14, 5812664), (16, 5086081), (22, 3698968), (26, 3129896), (28, 2906332), (44, 1849484), (52, 1564948), (56, 1453166), (77, 1056848), (88, 924742), (91, 894256), (104, 782474), (112, 726583), (143, 569072), (154, 528424), (176, 462371), (182, 447128), (208, 391237), (286, 284536), (308, 264212), (364, 223564), (572, 142268), (616, 132106), (728, 111782), (1001, 81296), (1144, 71134), (1232, 66053), (1456, 55891), (2002, 40648), (2288, 35567), (4004, 20324), (5081, 16016), (8008, 10162)]