643487364

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{72367}}^1$

素因数の和:72409

約数の個数: 72

約数和(自身を含む): 1843936640

約数和(自身を除く): 1200449276

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 72367, 144734, 217101, 289468, 434202, 651303, 868404, 940771, 1302606, 1374973, 1881542, 2605212, 2749946, 2822313, 3763084, 4124919, 5499892, 5644626, 8249838, 8466939, 11289252, 12374757, 16499676, 16933878, 17874649, 24749514, 33867756, 35749298, 49499028, 53623947, 71498596, 107247894, 160871841, 214495788, 321743682, 643487364]

約数ペア:

[(1, 643487364), (2, 321743682), (3, 214495788), (4, 160871841), (6, 107247894), (9, 71498596), (12, 53623947), (13, 49499028), (18, 35749298), (19, 33867756), (26, 24749514), (36, 17874649), (38, 16933878), (39, 16499676), (52, 12374757), (57, 11289252), (76, 8466939), (78, 8249838), (114, 5644626), (117, 5499892), (156, 4124919), (171, 3763084), (228, 2822313), (234, 2749946), (247, 2605212), (342, 1881542), (468, 1374973), (494, 1302606), (684, 940771), (741, 868404), (988, 651303), (1482, 434202), (2223, 289468), (2964, 217101), (4446, 144734), (8892, 72367)]