156918307

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 198374400

約数和(自身を除く): 41456093

約数列:

[1, 7, 13, 71, 91, 149, 163, 497, 923, 1043, 1141, 1937, 2119, 6461, 10579, 11573, 13559, 14833, 24287, 74053, 81011, 137527, 150449, 170009, 315731, 962689, 1053143, 1724377, 2210117, 12070639, 22416901, 156918307]

約数ペア:

[(1, 156918307), (7, 22416901), (13, 12070639), (71, 2210117), (91, 1724377), (149, 1053143), (163, 962689), (497, 315731), (923, 170009), (1043, 150449), (1141, 137527), (1937, 81011), (2119, 74053), (6461, 24287), (10579, 14833), (11573, 13559)]