78140868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:813

約数の個数: 72

約数和(自身を含む): 201434688

約数和(自身を除く): 123293820

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 169, 212, 318, 338, 507, 636, 676, 689, 727, 1014, 1378, 1454, 2028, 2067, 2181, 2756, 2908, 4134, 4362, 8268, 8724, 8957, 9451, 17914, 18902, 26871, 28353, 35828, 37804, 38531, 53742, 56706, 77062, 107484, 113412, 115593, 122863, 154124, 231186, 245726, 368589, 462372, 491452, 500903, 737178, 1001806, 1474356, 1502709, 2003612, 3005418, 6010836, 6511739, 13023478, 19535217, 26046956, 39070434, 78140868]

約数ペア:

[(1, 78140868), (2, 39070434), (3, 26046956), (4, 19535217), (6, 13023478), (12, 6511739), (13, 6010836), (26, 3005418), (39, 2003612), (52, 1502709), (53, 1474356), (78, 1001806), (106, 737178), (156, 500903), (159, 491452), (169, 462372), (212, 368589), (318, 245726), (338, 231186), (507, 154124), (636, 122863), (676, 115593), (689, 113412), (727, 107484), (1014, 77062), (1378, 56706), (1454, 53742), (2028, 38531), (2067, 37804), (2181, 35828), (2756, 28353), (2908, 26871), (4134, 18902), (4362, 17914), (8268, 9451), (8724, 8957)]