890991282

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 1913673600

約数和(自身を除く): 1022682318

約数列:

[1, 2, 3, 6, 19, 38, 57, 89, 114, 137, 178, 267, 274, 411, 534, 641, 822, 1282, 1691, 1923, 2603, 3382, 3846, 5073, 5206, 7809, 10146, 12179, 12193, 15618, 24358, 24386, 36537, 36579, 57049, 73074, 73158, 87817, 114098, 171147, 175634, 231667, 263451, 342294, 463334, 526902, 695001, 1083931, 1390002, 1668523, 2167862, 3251793, 3337046, 5005569, 6503586, 7815713, 10011138, 15631426, 23447139, 46894278, 148498547, 296997094, 445495641, 890991282]

約数ペア:

[(1, 890991282), (2, 445495641), (3, 296997094), (6, 148498547), (19, 46894278), (38, 23447139), (57, 15631426), (89, 10011138), (114, 7815713), (137, 6503586), (178, 5005569), (267, 3337046), (274, 3251793), (411, 2167862), (534, 1668523), (641, 1390002), (822, 1083931), (1282, 695001), (1691, 526902), (1923, 463334), (2603, 342294), (3382, 263451), (3846, 231667), (5073, 175634), (5206, 171147), (7809, 114098), (10146, 87817), (12179, 73158), (12193, 73074), (15618, 57049), (24358, 36579), (24386, 36537)]