66921743

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 85155840

約数和(自身を除く): 18234097

約数列:

[1, 7, 19, 23, 131, 133, 161, 167, 437, 917, 1169, 2489, 3013, 3059, 3173, 3841, 17423, 21091, 21877, 22211, 26887, 57247, 72979, 153139, 400729, 415663, 503171, 510853, 2909641, 3522197, 9560249, 66921743]

約数ペア:

[(1, 66921743), (7, 9560249), (19, 3522197), (23, 2909641), (131, 510853), (133, 503171), (161, 415663), (167, 400729), (437, 153139), (917, 72979), (1169, 57247), (2489, 26887), (3013, 22211), (3059, 21877), (3173, 21091), (3841, 17423)]