56420988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 146095488

約数和(自身を除く): 89674500

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 169, 172, 258, 338, 507, 516, 559, 647, 676, 1014, 1118, 1294, 1677, 1941, 2028, 2236, 2588, 3354, 3882, 6708, 7267, 7764, 8411, 14534, 16822, 21801, 25233, 27821, 29068, 33644, 43602, 50466, 55642, 83463, 87204, 100932, 109343, 111284, 166926, 218686, 328029, 333852, 361673, 437372, 656058, 723346, 1085019, 1312116, 1446692, 2170038, 4340076, 4701749, 9403498, 14105247, 18806996, 28210494, 56420988]

約数ペア:

[(1, 56420988), (2, 28210494), (3, 18806996), (4, 14105247), (6, 9403498), (12, 4701749), (13, 4340076), (26, 2170038), (39, 1446692), (43, 1312116), (52, 1085019), (78, 723346), (86, 656058), (129, 437372), (156, 361673), (169, 333852), (172, 328029), (258, 218686), (338, 166926), (507, 111284), (516, 109343), (559, 100932), (647, 87204), (676, 83463), (1014, 55642), (1118, 50466), (1294, 43602), (1677, 33644), (1941, 29068), (2028, 27821), (2236, 25233), (2588, 21801), (3354, 16822), (3882, 14534), (6708, 8411), (7267, 7764)]