81869958

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^2\times {\mathrm{71}}^1$

素因数の和:202

約数の個数: 72

約数和(自身を含む): 190129680

約数和(自身を除く): 108259722

約数列:

[1, 2, 3, 6, 9, 18, 29, 47, 58, 71, 87, 94, 141, 142, 174, 213, 261, 282, 423, 426, 522, 639, 846, 1278, 1363, 2059, 2209, 2726, 3337, 4089, 4118, 4418, 6177, 6627, 6674, 8178, 10011, 12267, 12354, 13254, 18531, 19881, 20022, 24534, 30033, 37062, 39762, 60066, 64061, 96773, 128122, 156839, 192183, 193546, 290319, 313678, 384366, 470517, 576549, 580638, 870957, 941034, 1153098, 1411551, 1741914, 2823102, 4548331, 9096662, 13644993, 27289986, 40934979, 81869958]

約数ペア:

[(1, 81869958), (2, 40934979), (3, 27289986), (6, 13644993), (9, 9096662), (18, 4548331), (29, 2823102), (47, 1741914), (58, 1411551), (71, 1153098), (87, 941034), (94, 870957), (141, 580638), (142, 576549), (174, 470517), (213, 384366), (261, 313678), (282, 290319), (423, 193546), (426, 192183), (522, 156839), (639, 128122), (846, 96773), (1278, 64061), (1363, 60066), (2059, 39762), (2209, 37062), (2726, 30033), (3337, 24534), (4089, 20022), (4118, 19881), (4418, 18531), (6177, 13254), (6627, 12354), (6674, 12267), (8178, 10011)]