401320465

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{6733}}^1$

素因数の和:6889

約数の個数: 32

約数和(自身を含む): 597332736

約数和(自身を除く): 196012271

約数列:

[1, 5, 7, 13, 35, 65, 91, 131, 455, 655, 917, 1703, 4585, 6733, 8515, 11921, 33665, 47131, 59605, 87529, 235655, 437645, 612703, 882023, 3063515, 4410115, 6174161, 11466299, 30870805, 57331495, 80264093, 401320465]

約数ペア:

[(1, 401320465), (5, 80264093), (7, 57331495), (13, 30870805), (35, 11466299), (65, 6174161), (91, 4410115), (131, 3063515), (455, 882023), (655, 612703), (917, 437645), (1703, 235655), (4585, 87529), (6733, 59605), (8515, 47131), (11921, 33665)]