645956676482

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{1777}}^1\times {\mathrm{18919}}^1$

素因数の和:21450

約数の個数: 32

約数和(自身を含む): 1045523740800

約数和(自身を除く): 399567064318

約数列:

[1, 2, 13, 26, 739, 1478, 1777, 3554, 9607, 18919, 19214, 23101, 37838, 46202, 245947, 491894, 1313203, 2626406, 13981141, 17071639, 27962282, 33619063, 34143278, 67238126, 181754833, 363509666, 437047819, 874095638, 24844487557, 49688975114, 322978338241, 645956676482]

約数ペア:

[(1, 645956676482), (2, 322978338241), (13, 49688975114), (26, 24844487557), (739, 874095638), (1478, 437047819), (1777, 363509666), (3554, 181754833), (9607, 67238126), (18919, 34143278), (19214, 33619063), (23101, 27962282), (37838, 17071639), (46202, 13981141), (245947, 2626406), (491894, 1313203)]