81017958

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 190356480

約数和(自身を除く): 109338522

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 101, 142, 202, 213, 269, 303, 426, 497, 538, 606, 707, 807, 994, 1414, 1491, 1614, 1883, 2121, 2982, 3766, 4242, 5649, 7171, 11298, 14342, 19099, 21513, 27169, 38198, 43026, 50197, 54338, 57297, 81507, 100394, 114594, 133693, 150591, 163014, 190183, 267386, 301182, 380366, 401079, 570549, 802158, 1141098, 1928999, 3857998, 5786997, 11573994, 13502993, 27005986, 40508979, 81017958]

約数ペア:

[(1, 81017958), (2, 40508979), (3, 27005986), (6, 13502993), (7, 11573994), (14, 5786997), (21, 3857998), (42, 1928999), (71, 1141098), (101, 802158), (142, 570549), (202, 401079), (213, 380366), (269, 301182), (303, 267386), (426, 190183), (497, 163014), (538, 150591), (606, 133693), (707, 114594), (807, 100394), (994, 81507), (1414, 57297), (1491, 54338), (1614, 50197), (1883, 43026), (2121, 38198), (2982, 27169), (3766, 21513), (4242, 19099), (5649, 14342), (7171, 11298)]