78886808

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9851}}^1$

素因数の和:9888

約数の個数: 64

約数和(自身を含む): 198616320

約数和(自身を除く): 119729512

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 4004, 8008, 9851, 19702, 39404, 68957, 78808, 108361, 128063, 137914, 216722, 256126, 275828, 433444, 512252, 551656, 758527, 866888, 896441, 1024504, 1408693, 1517054, 1792882, 2817386, 3034108, 3585764, 5634772, 6068216, 7171528, 9860851, 11269544, 19721702, 39443404, 78886808]

約数ペア:

[(1, 78886808), (2, 39443404), (4, 19721702), (7, 11269544), (8, 9860851), (11, 7171528), (13, 6068216), (14, 5634772), (22, 3585764), (26, 3034108), (28, 2817386), (44, 1792882), (52, 1517054), (56, 1408693), (77, 1024504), (88, 896441), (91, 866888), (104, 758527), (143, 551656), (154, 512252), (182, 433444), (286, 275828), (308, 256126), (364, 216722), (572, 137914), (616, 128063), (728, 108361), (1001, 78808), (1144, 68957), (2002, 39404), (4004, 19702), (8008, 9851)]