28376215

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 41610240

約数和(自身を除く): 13234025

約数列:

[1, 5, 7, 19, 35, 71, 95, 133, 355, 497, 601, 665, 1349, 2485, 3005, 4207, 6745, 9443, 11419, 21035, 42671, 47215, 57095, 79933, 213355, 298697, 399665, 810749, 1493485, 4053745, 5675243, 28376215]

約数ペア:

[(1, 28376215), (5, 5675243), (7, 4053745), (19, 1493485), (35, 810749), (71, 399665), (95, 298697), (133, 213355), (355, 79933), (497, 57095), (601, 47215), (665, 42671), (1349, 21035), (2485, 11419), (3005, 9443), (4207, 6745)]