2784355

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 32

約数和(自身を含む): 4147200

約数和(自身を除く): 1362845

約数列:

[1, 5, 7, 19, 35, 53, 79, 95, 133, 265, 371, 395, 553, 665, 1007, 1501, 1855, 2765, 4187, 5035, 7049, 7505, 10507, 20935, 29309, 35245, 52535, 79553, 146545, 397765, 556871, 2784355]

約数ペア:

[(1, 2784355), (5, 556871), (7, 397765), (19, 146545), (35, 79553), (53, 52535), (79, 35245), (95, 29309), (133, 20935), (265, 10507), (371, 7505), (395, 7049), (553, 5035), (665, 4187), (1007, 2765), (1501, 1855)]