131213886

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{347}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 288645120

約数和(自身を除く): 157431234

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 62, 93, 107, 114, 186, 214, 321, 347, 589, 642, 694, 1041, 1178, 1767, 2033, 2082, 3317, 3534, 4066, 6099, 6593, 6634, 9951, 10757, 12198, 13186, 19779, 19902, 21514, 32271, 37129, 39558, 63023, 64542, 74258, 111387, 126046, 189069, 204383, 222774, 378138, 408766, 613149, 705451, 1150999, 1226298, 1410902, 2116353, 2301998, 3452997, 4232706, 6905994, 21868981, 43737962, 65606943, 131213886]

約数ペア:

[(1, 131213886), (2, 65606943), (3, 43737962), (6, 21868981), (19, 6905994), (31, 4232706), (38, 3452997), (57, 2301998), (62, 2116353), (93, 1410902), (107, 1226298), (114, 1150999), (186, 705451), (214, 613149), (321, 408766), (347, 378138), (589, 222774), (642, 204383), (694, 189069), (1041, 126046), (1178, 111387), (1767, 74258), (2033, 64542), (2082, 63023), (3317, 39558), (3534, 37129), (4066, 32271), (6099, 21514), (6593, 19902), (6634, 19779), (9951, 13186), (10757, 12198)]