156917418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 368582400

約数和(自身を除く): 211664982

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 157, 159, 314, 318, 371, 449, 471, 742, 898, 942, 1099, 1113, 1347, 2198, 2226, 2694, 3143, 3297, 6286, 6594, 8321, 9429, 16642, 18858, 23797, 24963, 47594, 49926, 58247, 70493, 71391, 116494, 140986, 142782, 166579, 174741, 211479, 333158, 349482, 422958, 493451, 499737, 986902, 999474, 1480353, 2960706, 3736129, 7472258, 11208387, 22416774, 26152903, 52305806, 78458709, 156917418]

約数ペア:

[(1, 156917418), (2, 78458709), (3, 52305806), (6, 26152903), (7, 22416774), (14, 11208387), (21, 7472258), (42, 3736129), (53, 2960706), (106, 1480353), (157, 999474), (159, 986902), (314, 499737), (318, 493451), (371, 422958), (449, 349482), (471, 333158), (742, 211479), (898, 174741), (942, 166579), (1099, 142782), (1113, 140986), (1347, 116494), (2198, 71391), (2226, 70493), (2694, 58247), (3143, 49926), (3297, 47594), (6286, 24963), (6594, 23797), (8321, 18858), (9429, 16642)]