67390253

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{653}}^1$

素因数の和:1324

約数の個数: 16

約数和(自身を含む): 80614656

約数和(自身を除く): 13224403

約数列:

[1, 7, 23, 161, 641, 653, 4487, 4571, 14743, 15019, 103201, 105133, 418573, 2930011, 9627179, 67390253]

約数ペア:

[(1, 67390253), (7, 9627179), (23, 2930011), (161, 418573), (641, 105133), (653, 103201), (4487, 15019), (4571, 14743)]