215303556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^2$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 561130752

約数和(自身を除く): 345827196

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 211, 372, 403, 422, 633, 806, 844, 1209, 1266, 1612, 2418, 2532, 2743, 4836, 5486, 6541, 8229, 10972, 13082, 16458, 19623, 26164, 32916, 39246, 44521, 78492, 85033, 89042, 133563, 170066, 178084, 255099, 267126, 340132, 510198, 534252, 578773, 1020396, 1157546, 1380151, 1736319, 2315092, 2760302, 3472638, 4140453, 5520604, 6945276, 8280906, 16561812, 17941963, 35883926, 53825889, 71767852, 107651778, 215303556]

約数ペア:

[(1, 215303556), (2, 107651778), (3, 71767852), (4, 53825889), (6, 35883926), (12, 17941963), (13, 16561812), (26, 8280906), (31, 6945276), (39, 5520604), (52, 4140453), (62, 3472638), (78, 2760302), (93, 2315092), (124, 1736319), (156, 1380151), (186, 1157546), (211, 1020396), (372, 578773), (403, 534252), (422, 510198), (633, 340132), (806, 267126), (844, 255099), (1209, 178084), (1266, 170066), (1612, 133563), (2418, 89042), (2532, 85033), (2743, 78492), (4836, 44521), (5486, 39246), (6541, 32916), (8229, 26164), (10972, 19623), (13082, 16458)]