307978554

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{18713}}^1$

素因数の和:18942

約数の個数: 32

約数和(自身を含む): 666517824

約数和(自身を除く): 358539270

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 211, 422, 633, 1266, 2743, 5486, 8229, 16458, 18713, 37426, 56139, 112278, 243269, 486538, 729807, 1459614, 3948443, 7896886, 11845329, 23690658, 51329759, 102659518, 153989277, 307978554]

約数ペア:

[(1, 307978554), (2, 153989277), (3, 102659518), (6, 51329759), (13, 23690658), (26, 11845329), (39, 7896886), (78, 3948443), (211, 1459614), (422, 729807), (633, 486538), (1266, 243269), (2743, 112278), (5486, 56139), (8229, 37426), (16458, 18713)]