638312376

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{88951}}^1$

素因数の和:88996

約数の個数: 64

約数和(自身を含む): 1793272320

約数和(自身を除く): 1154959944

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 156, 184, 276, 299, 312, 552, 598, 897, 1196, 1794, 2392, 3588, 7176, 88951, 177902, 266853, 355804, 533706, 711608, 1067412, 1156363, 2045873, 2134824, 2312726, 3469089, 4091746, 4625452, 6137619, 6938178, 8183492, 9250904, 12275238, 13876356, 16366984, 24550476, 26596349, 27752712, 49100952, 53192698, 79789047, 106385396, 159578094, 212770792, 319156188, 638312376]

約数ペア:

[(1, 638312376), (2, 319156188), (3, 212770792), (4, 159578094), (6, 106385396), (8, 79789047), (12, 53192698), (13, 49100952), (23, 27752712), (24, 26596349), (26, 24550476), (39, 16366984), (46, 13876356), (52, 12275238), (69, 9250904), (78, 8183492), (92, 6938178), (104, 6137619), (138, 4625452), (156, 4091746), (184, 3469089), (276, 2312726), (299, 2134824), (312, 2045873), (552, 1156363), (598, 1067412), (897, 711608), (1196, 533706), (1794, 355804), (2392, 266853), (3588, 177902), (7176, 88951)]