221574678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{4111}}^1$

素因数の和:4820

約数の個数: 32

約数和(自身を含む): 478044672

約数和(自身を除く): 256469994

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 691, 1382, 2073, 4111, 4146, 8222, 8983, 12333, 17966, 24666, 26949, 53443, 53898, 106886, 160329, 320658, 2840701, 5681402, 8522103, 17044206, 36929113, 73858226, 110787339, 221574678]

約数ペア:

[(1, 221574678), (2, 110787339), (3, 73858226), (6, 36929113), (13, 17044206), (26, 8522103), (39, 5681402), (78, 2840701), (691, 320658), (1382, 160329), (2073, 106886), (4111, 53898), (4146, 53443), (8222, 26949), (8983, 24666), (12333, 17966)]