42889895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 57770496

約数和(自身を除く): 14880601

約数列:

[1, 5, 17, 31, 41, 85, 155, 205, 397, 527, 697, 1271, 1985, 2635, 3485, 6355, 6749, 12307, 16277, 21607, 33745, 61535, 81385, 108035, 209219, 276709, 504587, 1046095, 1383545, 2522935, 8577979, 42889895]

約数ペア:

[(1, 42889895), (5, 8577979), (17, 2522935), (31, 1383545), (41, 1046095), (85, 504587), (155, 276709), (205, 209219), (397, 108035), (527, 81385), (697, 61535), (1271, 33745), (1985, 21607), (2635, 16277), (3485, 12307), (6355, 6749)]