217177688

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1109}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 503496000

約数和(自身を除く): 286318312

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 269, 364, 538, 728, 1076, 1109, 1883, 2152, 2218, 3497, 3766, 4436, 6994, 7532, 7763, 8872, 13988, 14417, 15064, 15526, 24479, 27976, 28834, 31052, 48958, 57668, 62104, 97916, 100919, 115336, 195832, 201838, 298321, 403676, 596642, 807352, 1193284, 2088247, 2386568, 3878173, 4176494, 7756346, 8352988, 15512692, 16705976, 27147211, 31025384, 54294422, 108588844, 217177688]

約数ペア:

[(1, 217177688), (2, 108588844), (4, 54294422), (7, 31025384), (8, 27147211), (13, 16705976), (14, 15512692), (26, 8352988), (28, 7756346), (52, 4176494), (56, 3878173), (91, 2386568), (104, 2088247), (182, 1193284), (269, 807352), (364, 596642), (538, 403676), (728, 298321), (1076, 201838), (1109, 195832), (1883, 115336), (2152, 100919), (2218, 97916), (3497, 62104), (3766, 57668), (4436, 48958), (6994, 31052), (7532, 28834), (7763, 27976), (8872, 24479), (13988, 15526), (14417, 15064)]