221245776

素因数分解:

$2^4\times 3^3\times {\mathrm{521}}^1\times {\mathrm{983}}^1$

素因数の和:1521

約数の個数: 80

約数和(自身を含む): 636923520

約数和(自身を除く): 415677744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 521, 983, 1042, 1563, 1966, 2084, 2949, 3126, 3932, 4168, 4689, 5898, 6252, 7864, 8336, 8847, 9378, 11796, 12504, 14067, 15728, 17694, 18756, 23592, 25008, 26541, 28134, 35388, 37512, 47184, 53082, 56268, 70776, 75024, 106164, 112536, 141552, 212328, 225072, 424656, 512143, 1024286, 1536429, 2048572, 3072858, 4097144, 4609287, 6145716, 8194288, 9218574, 12291432, 13827861, 18437148, 24582864, 27655722, 36874296, 55311444, 73748592, 110622888, 221245776]

約数ペア:

[(1, 221245776), (2, 110622888), (3, 73748592), (4, 55311444), (6, 36874296), (8, 27655722), (9, 24582864), (12, 18437148), (16, 13827861), (18, 12291432), (24, 9218574), (27, 8194288), (36, 6145716), (48, 4609287), (54, 4097144), (72, 3072858), (108, 2048572), (144, 1536429), (216, 1024286), (432, 512143), (521, 424656), (983, 225072), (1042, 212328), (1563, 141552), (1966, 112536), (2084, 106164), (2949, 75024), (3126, 70776), (3932, 56268), (4168, 53082), (4689, 47184), (5898, 37512), (6252, 35388), (7864, 28134), (8336, 26541), (8847, 25008), (9378, 23592), (11796, 18756), (12504, 17694), (14067, 15728)]