28731528

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:651

約数の個数: 96

約数和(自身を含む): 89918400

約数和(自身を除く): 61186872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 109, 126, 168, 218, 252, 327, 436, 504, 523, 654, 763, 872, 981, 1046, 1308, 1526, 1569, 1962, 2092, 2289, 2616, 3052, 3138, 3661, 3924, 4184, 4578, 4707, 6104, 6276, 6867, 7322, 7848, 9156, 9414, 10983, 12552, 13734, 14644, 18312, 18828, 21966, 27468, 29288, 32949, 37656, 43932, 54936, 57007, 65898, 87864, 114014, 131796, 171021, 228028, 263592, 342042, 399049, 456056, 513063, 684084, 798098, 1026126, 1197147, 1368168, 1596196, 2052252, 2394294, 3192392, 3591441, 4104504, 4788588, 7182882, 9577176, 14365764, 28731528]

約数ペア:

[(1, 28731528), (2, 14365764), (3, 9577176), (4, 7182882), (6, 4788588), (7, 4104504), (8, 3591441), (9, 3192392), (12, 2394294), (14, 2052252), (18, 1596196), (21, 1368168), (24, 1197147), (28, 1026126), (36, 798098), (42, 684084), (56, 513063), (63, 456056), (72, 399049), (84, 342042), (109, 263592), (126, 228028), (168, 171021), (218, 131796), (252, 114014), (327, 87864), (436, 65898), (504, 57007), (523, 54936), (654, 43932), (763, 37656), (872, 32949), (981, 29288), (1046, 27468), (1308, 21966), (1526, 18828), (1569, 18312), (1962, 14644), (2092, 13734), (2289, 12552), (2616, 10983), (3052, 9414), (3138, 9156), (3661, 7848), (3924, 7322), (4184, 6867), (4578, 6276), (4707, 6104)]