64631768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 133056000

約数和(自身を除く): 68424232

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 83, 94, 109, 152, 166, 188, 218, 332, 376, 436, 664, 872, 893, 1577, 1786, 2071, 3154, 3572, 3901, 4142, 5123, 6308, 7144, 7802, 8284, 9047, 10246, 12616, 15604, 16568, 18094, 20492, 31208, 36188, 40984, 72376, 74119, 97337, 148238, 171893, 194674, 296476, 343786, 389348, 425209, 592952, 687572, 778696, 850418, 1375144, 1700836, 3401672, 8078971, 16157942, 32315884, 64631768]

約数ペア:

[(1, 64631768), (2, 32315884), (4, 16157942), (8, 8078971), (19, 3401672), (38, 1700836), (47, 1375144), (76, 850418), (83, 778696), (94, 687572), (109, 592952), (152, 425209), (166, 389348), (188, 343786), (218, 296476), (332, 194674), (376, 171893), (436, 148238), (664, 97337), (872, 74119), (893, 72376), (1577, 40984), (1786, 36188), (2071, 31208), (3154, 20492), (3572, 18094), (3901, 16568), (4142, 15604), (5123, 12616), (6308, 10246), (7144, 9047), (7802, 8284)]