28621656

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:649

約数の個数: 96

約数和(自身を含む): 89575200

約数和(自身を除く): 60953544

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, 521, 654, 763, 872, 981, 1042, 1308, 1526, 1563, 1962, 2084, 2289, 2616, 3052, 3126, 3647, 3924, 4168, 4578, 4689, 6104, 6252, 6867, 7294, 7848, 9156, 9378, 10941, 12504, 13734, 14588, 18312, 18756, 21882, 27468, 29176, 32823, 37512, 43764, 54936, 56789, 65646, 87528, 113578, 131292, 170367, 227156, 262584, 340734, 397523, 454312, 511101, 681468, 795046, 1022202, 1192569, 1362936, 1590092, 2044404, 2385138, 3180184, 3577707, 4088808, 4770276, 7155414, 9540552, 14310828, 28621656]

約数ペア:

[(1, 28621656), (2, 14310828), (3, 9540552), (4, 7155414), (6, 4770276), (7, 4088808), (8, 3577707), (9, 3180184), (12, 2385138), (14, 2044404), (18, 1590092), (21, 1362936), (24, 1192569), (28, 1022202), (36, 795046), (42, 681468), (56, 511101), (63, 454312), (72, 397523), (84, 340734), (109, 262584), (126, 227156), (168, 170367), (218, 131292), (252, 113578), (327, 87528), (436, 65646), (504, 56789), (521, 54936), (654, 43764), (763, 37512), (872, 32823), (981, 29176), (1042, 27468), (1308, 21882), (1526, 18756), (1563, 18312), (1962, 14588), (2084, 13734), (2289, 12504), (2616, 10941), (3052, 9378), (3126, 9156), (3647, 7848), (3924, 7294), (4168, 6867), (4578, 6252), (4689, 6104)]