386996826

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 835430400

約数和(自身を除く): 448433574

約数列:

[1, 2, 3, 6, 19, 38, 57, 79, 97, 114, 158, 194, 237, 291, 443, 474, 582, 886, 1329, 1501, 1843, 2658, 3002, 3686, 4503, 5529, 7663, 8417, 9006, 11058, 15326, 16834, 22989, 25251, 34997, 42971, 45978, 50502, 69994, 85942, 104991, 128913, 145597, 209982, 257826, 291194, 436791, 664943, 816449, 873582, 1329886, 1632898, 1994829, 2449347, 3394709, 3989658, 4898694, 6789418, 10184127, 20368254, 64499471, 128998942, 193498413, 386996826]

約数ペア:

[(1, 386996826), (2, 193498413), (3, 128998942), (6, 64499471), (19, 20368254), (38, 10184127), (57, 6789418), (79, 4898694), (97, 3989658), (114, 3394709), (158, 2449347), (194, 1994829), (237, 1632898), (291, 1329886), (443, 873582), (474, 816449), (582, 664943), (886, 436791), (1329, 291194), (1501, 257826), (1843, 209982), (2658, 145597), (3002, 128913), (3686, 104991), (4503, 85942), (5529, 69994), (7663, 50502), (8417, 45978), (9006, 42971), (11058, 34997), (15326, 25251), (16834, 22989)]