61657946

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 118278144

約数和(自身を除く): 56620198

約数列:

[1, 2, 7, 14, 17, 31, 34, 61, 62, 119, 122, 137, 217, 238, 274, 427, 434, 527, 854, 959, 1037, 1054, 1891, 1918, 2074, 2329, 3689, 3782, 4247, 4658, 7259, 7378, 8357, 8494, 13237, 14518, 16303, 16714, 26474, 29729, 32147, 32606, 58499, 59458, 64294, 72199, 116998, 142069, 144398, 225029, 259067, 284138, 450058, 505393, 518134, 994483, 1010786, 1813469, 1988966, 3626938, 4404139, 8808278, 30828973, 61657946]

約数ペア:

[(1, 61657946), (2, 30828973), (7, 8808278), (14, 4404139), (17, 3626938), (31, 1988966), (34, 1813469), (61, 1010786), (62, 994483), (119, 518134), (122, 505393), (137, 450058), (217, 284138), (238, 259067), (274, 225029), (427, 144398), (434, 142069), (527, 116998), (854, 72199), (959, 64294), (1037, 59458), (1054, 58499), (1891, 32606), (1918, 32147), (2074, 29729), (2329, 26474), (3689, 16714), (3782, 16303), (4247, 14518), (4658, 13237), (7259, 8494), (7378, 8357)]