208747364

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{397}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 425255040

約数和(自身を除く): 216507676

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 211, 356, 397, 422, 623, 794, 844, 1246, 1477, 1588, 2492, 2779, 2954, 5558, 5908, 11116, 18779, 35333, 37558, 70666, 75116, 83767, 131453, 141332, 167534, 247331, 262906, 335068, 494662, 525812, 586369, 989324, 1172738, 2345476, 7455263, 14910526, 29821052, 52186841, 104373682, 208747364]

約数ペア:

[(1, 208747364), (2, 104373682), (4, 52186841), (7, 29821052), (14, 14910526), (28, 7455263), (89, 2345476), (178, 1172738), (211, 989324), (356, 586369), (397, 525812), (422, 494662), (623, 335068), (794, 262906), (844, 247331), (1246, 167534), (1477, 141332), (1588, 131453), (2492, 83767), (2779, 75116), (2954, 70666), (5558, 37558), (5908, 35333), (11116, 18779)]