78638168

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20959}}^1$

素因数の和:21039

約数の個数: 32

約数和(自身を含む): 171033600

約数和(自身を除く): 92395432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 20959, 41918, 83836, 146713, 167672, 293426, 586852, 1173704, 1404253, 2808506, 5617012, 9829771, 11234024, 19659542, 39319084, 78638168]

約数ペア:

[(1, 78638168), (2, 39319084), (4, 19659542), (7, 11234024), (8, 9829771), (14, 5617012), (28, 2808506), (56, 1404253), (67, 1173704), (134, 586852), (268, 293426), (469, 167672), (536, 146713), (938, 83836), (1876, 41918), (3752, 20959)]