221878501

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{1759}}^1$

素因数の和:2116

約数の個数: 16

約数和(自身を含む): 247582720

約数和(自身を除く): 25704219

約数列:

[1, 13, 31, 313, 403, 1759, 4069, 9703, 22867, 54529, 126139, 550567, 708877, 7157371, 17067577, 221878501]

約数ペア:

[(1, 221878501), (13, 17067577), (31, 7157371), (313, 708877), (403, 550567), (1759, 126139), (4069, 54529), (9703, 22867)]