221448515

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^2$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 288433680

約数和(自身を除く): 66985165

約数列:

[1, 5, 19, 37, 95, 185, 251, 703, 1255, 3515, 4769, 9287, 23845, 46435, 63001, 176453, 315005, 882265, 1197019, 2331037, 5985095, 11655185, 44289703, 221448515]

約数ペア:

[(1, 221448515), (5, 44289703), (19, 11655185), (37, 5985095), (95, 2331037), (185, 1197019), (251, 882265), (703, 315005), (1255, 176453), (3515, 63001), (4769, 46435), (9287, 23845)]