78871864

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 159536160

約数和(自身を除く): 80664296

約数列:

[1, 2, 4, 8, 37, 41, 67, 74, 82, 97, 134, 148, 164, 194, 268, 296, 328, 388, 536, 776, 1517, 2479, 2747, 3034, 3589, 3977, 4958, 5494, 6068, 6499, 7178, 7954, 9916, 10988, 12136, 12998, 14356, 15908, 19832, 21976, 25996, 28712, 31816, 51992, 101639, 147149, 203278, 240463, 266459, 294298, 406556, 480926, 532918, 588596, 813112, 961852, 1065836, 1177192, 1923704, 2131672, 9858983, 19717966, 39435932, 78871864]

約数ペア:

[(1, 78871864), (2, 39435932), (4, 19717966), (8, 9858983), (37, 2131672), (41, 1923704), (67, 1177192), (74, 1065836), (82, 961852), (97, 813112), (134, 588596), (148, 532918), (164, 480926), (194, 406556), (268, 294298), (296, 266459), (328, 240463), (388, 203278), (536, 147149), (776, 101639), (1517, 51992), (2479, 31816), (2747, 28712), (3034, 25996), (3589, 21976), (3977, 19832), (4958, 15908), (5494, 14356), (6068, 12998), (6499, 12136), (7178, 10988), (7954, 9916)]