218373316

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^3\times {\mathrm{641}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 457309440

約数和(自身を除く): 238936124

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 529, 641, 644, 1058, 1282, 2116, 2564, 3703, 4487, 7406, 8974, 12167, 14743, 14812, 17948, 24334, 29486, 48668, 58972, 85169, 103201, 170338, 206402, 339089, 340676, 412804, 678178, 1356356, 2373623, 4747246, 7799047, 9494492, 15598094, 31196188, 54593329, 109186658, 218373316]

約数ペア:

[(1, 218373316), (2, 109186658), (4, 54593329), (7, 31196188), (14, 15598094), (23, 9494492), (28, 7799047), (46, 4747246), (92, 2373623), (161, 1356356), (322, 678178), (529, 412804), (641, 340676), (644, 339089), (1058, 206402), (1282, 170338), (2116, 103201), (2564, 85169), (3703, 58972), (4487, 48668), (7406, 29486), (8974, 24334), (12167, 17948), (14743, 14812)]