1640232555

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{937}}^1$

素因数の和:1196

約数の個数: 64

約数和(自身を含む): 2904588288

約数和(自身を除く): 1264355733

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 191, 195, 235, 573, 611, 705, 937, 955, 1833, 2483, 2811, 2865, 3055, 4685, 7449, 8977, 9165, 12181, 12415, 14055, 26931, 36543, 37245, 44039, 44885, 60905, 116701, 132117, 134655, 178967, 182715, 220195, 350103, 536901, 572507, 583505, 660585, 894835, 1717521, 1750515, 2326571, 2684505, 2862535, 6979713, 8411449, 8587605, 11632855, 25234347, 34898565, 42057245, 109348837, 126171735, 328046511, 546744185, 1640232555]

約数ペア:

[(1, 1640232555), (3, 546744185), (5, 328046511), (13, 126171735), (15, 109348837), (39, 42057245), (47, 34898565), (65, 25234347), (141, 11632855), (191, 8587605), (195, 8411449), (235, 6979713), (573, 2862535), (611, 2684505), (705, 2326571), (937, 1750515), (955, 1717521), (1833, 894835), (2483, 660585), (2811, 583505), (2865, 572507), (3055, 536901), (4685, 350103), (7449, 220195), (8977, 182715), (9165, 178967), (12181, 134655), (12415, 132117), (14055, 116701), (26931, 60905), (36543, 44885), (37245, 44039)]