64778196

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2687}}^1$

素因数の和:2749

約数の個数: 72

約数和(自身を含む): 180182016

約数和(自身を除く): 115403820

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 49, 82, 84, 98, 123, 147, 164, 196, 246, 287, 294, 492, 574, 588, 861, 1148, 1722, 2009, 2687, 3444, 4018, 5374, 6027, 8036, 8061, 10748, 12054, 16122, 18809, 24108, 32244, 37618, 56427, 75236, 110167, 112854, 131663, 220334, 225708, 263326, 330501, 394989, 440668, 526652, 661002, 771169, 789978, 1322004, 1542338, 1579956, 2313507, 3084676, 4627014, 5398183, 9254028, 10796366, 16194549, 21592732, 32389098, 64778196]

約数ペア:

[(1, 64778196), (2, 32389098), (3, 21592732), (4, 16194549), (6, 10796366), (7, 9254028), (12, 5398183), (14, 4627014), (21, 3084676), (28, 2313507), (41, 1579956), (42, 1542338), (49, 1322004), (82, 789978), (84, 771169), (98, 661002), (123, 526652), (147, 440668), (164, 394989), (196, 330501), (246, 263326), (287, 225708), (294, 220334), (492, 131663), (574, 112854), (588, 110167), (861, 75236), (1148, 56427), (1722, 37618), (2009, 32244), (2687, 24108), (3444, 18809), (4018, 16122), (5374, 12054), (6027, 10748), (8036, 8061)]