221823368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{12329}}^1$

素因数の和:12521

約数の個数: 32

約数和(自身を含む): 450538200

約数和(自身を除く): 228714832

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 173, 346, 692, 1384, 2249, 4498, 8996, 12329, 17992, 24658, 49316, 98632, 160277, 320554, 641108, 1282216, 2132917, 4265834, 8531668, 17063336, 27727921, 55455842, 110911684, 221823368]

約数ペア:

[(1, 221823368), (2, 110911684), (4, 55455842), (8, 27727921), (13, 17063336), (26, 8531668), (52, 4265834), (104, 2132917), (173, 1282216), (346, 641108), (692, 320554), (1384, 160277), (2249, 98632), (4498, 49316), (8996, 24658), (12329, 17992)]