12721784504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1697}}^1\times {\mathrm{6553}}^1$

素因数の和:8280

約数の個数: 64

約数和(自身を含む): 28044303840

約数和(自身を除く): 15322519336

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 1697, 3394, 6553, 6788, 13106, 13576, 18667, 22061, 26212, 37334, 44122, 52424, 72083, 74668, 85189, 88244, 144166, 149336, 170378, 176488, 242671, 288332, 340756, 485342, 576664, 681512, 937079, 970684, 1874158, 1941368, 3748316, 7496632, 11120441, 22240882, 44481764, 88963528, 122324851, 144565733, 244649702, 289131466, 489299404, 578262932, 978598808, 1156525864, 1590223063, 3180446126, 6360892252, 12721784504]

約数ペア:

[(1, 12721784504), (2, 6360892252), (4, 3180446126), (8, 1590223063), (11, 1156525864), (13, 978598808), (22, 578262932), (26, 489299404), (44, 289131466), (52, 244649702), (88, 144565733), (104, 122324851), (143, 88963528), (286, 44481764), (572, 22240882), (1144, 11120441), (1697, 7496632), (3394, 3748316), (6553, 1941368), (6788, 1874158), (13106, 970684), (13576, 937079), (18667, 681512), (22061, 576664), (26212, 485342), (37334, 340756), (44122, 288332), (52424, 242671), (72083, 176488), (74668, 170378), (85189, 149336), (88244, 144166)]