251282016

素因数分解:

$2^5\times 3^2\times {\mathrm{491}}^1\times {\mathrm{1777}}^1$

素因数の和:2284

約数の個数: 72

約数和(自身を含む): 716441544

約数和(自身を除く): 465159528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 491, 982, 1473, 1777, 1964, 2946, 3554, 3928, 4419, 5331, 5892, 7108, 7856, 8838, 10662, 11784, 14216, 15712, 15993, 17676, 21324, 23568, 28432, 31986, 35352, 42648, 47136, 56864, 63972, 70704, 85296, 127944, 141408, 170592, 255888, 511776, 872507, 1745014, 2617521, 3490028, 5235042, 6980056, 7852563, 10470084, 13960112, 15705126, 20940168, 27920224, 31410252, 41880336, 62820504, 83760672, 125641008, 251282016]

約数ペア:

[(1, 251282016), (2, 125641008), (3, 83760672), (4, 62820504), (6, 41880336), (8, 31410252), (9, 27920224), (12, 20940168), (16, 15705126), (18, 13960112), (24, 10470084), (32, 7852563), (36, 6980056), (48, 5235042), (72, 3490028), (96, 2617521), (144, 1745014), (288, 872507), (491, 511776), (982, 255888), (1473, 170592), (1777, 141408), (1964, 127944), (2946, 85296), (3554, 70704), (3928, 63972), (4419, 56864), (5331, 47136), (5892, 42648), (7108, 35352), (7856, 31986), (8838, 28432), (10662, 23568), (11784, 21324), (14216, 17676), (15712, 15993)]