201816355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2131}}^1$

素因数の和:2227

約数の個数: 32

約数和(自身を含む): 275079168

約数和(自身を除く): 73262813

約数列:

[1, 5, 13, 31, 47, 65, 155, 235, 403, 611, 1457, 2015, 2131, 3055, 7285, 10655, 18941, 27703, 66061, 94705, 100157, 138515, 330305, 500785, 858793, 1302041, 3104867, 4293965, 6510205, 15524335, 40363271, 201816355]

約数ペア:

[(1, 201816355), (5, 40363271), (13, 15524335), (31, 6510205), (47, 4293965), (65, 3104867), (155, 1302041), (235, 858793), (403, 500785), (611, 330305), (1457, 138515), (2015, 100157), (2131, 94705), (3055, 66061), (7285, 27703), (10655, 18941)]