81482076

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4049}}^1$

素因数の和:4115

約数の個数: 72

約数和(自身を含む): 227026800

約数和(自身を除く): 145544724

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 4049, 5031, 6708, 8098, 10062, 12147, 16196, 20124, 24294, 36441, 48588, 52637, 72882, 105274, 145764, 157911, 174107, 210548, 315822, 348214, 473733, 522321, 631644, 696428, 947466, 1044642, 1566963, 1894932, 2089284, 2263391, 3133926, 4526782, 6267852, 6790173, 9053564, 13580346, 20370519, 27160692, 40741038, 81482076]

約数ペア:

[(1, 81482076), (2, 40741038), (3, 27160692), (4, 20370519), (6, 13580346), (9, 9053564), (12, 6790173), (13, 6267852), (18, 4526782), (26, 3133926), (36, 2263391), (39, 2089284), (43, 1894932), (52, 1566963), (78, 1044642), (86, 947466), (117, 696428), (129, 631644), (156, 522321), (172, 473733), (234, 348214), (258, 315822), (387, 210548), (468, 174107), (516, 157911), (559, 145764), (774, 105274), (1118, 72882), (1548, 52637), (1677, 48588), (2236, 36441), (3354, 24294), (4049, 20124), (5031, 16196), (6708, 12147), (8098, 10062)]