80203921

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 101928960

約数和(自身を除く): 21725039

約数列:

[1, 7, 19, 23, 133, 157, 161, 167, 437, 1099, 1169, 2983, 3059, 3173, 3611, 3841, 20881, 22211, 25277, 26219, 26887, 68609, 72979, 183533, 480263, 498161, 510853, 603037, 3487127, 4221259, 11457703, 80203921]

約数ペア:

[(1, 80203921), (7, 11457703), (19, 4221259), (23, 3487127), (133, 603037), (157, 510853), (161, 498161), (167, 480263), (437, 183533), (1099, 72979), (1169, 68609), (2983, 26887), (3059, 26219), (3173, 25277), (3611, 22211), (3841, 20881)]