201438656

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:637

約数の個数: 56

約数和(自身を含む): 413375856

約数和(自身を除く): 211937200

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 148, 257, 296, 331, 514, 592, 662, 1028, 1184, 1324, 2056, 2368, 2648, 4112, 5296, 8224, 9509, 10592, 12247, 16448, 19018, 21184, 24494, 38036, 48988, 76072, 85067, 97976, 152144, 170134, 195952, 304288, 340268, 391904, 608576, 680536, 783808, 1361072, 2722144, 3147479, 5444288, 6294958, 12589916, 25179832, 50359664, 100719328, 201438656]

約数ペア:

[(1, 201438656), (2, 100719328), (4, 50359664), (8, 25179832), (16, 12589916), (32, 6294958), (37, 5444288), (64, 3147479), (74, 2722144), (148, 1361072), (257, 783808), (296, 680536), (331, 608576), (514, 391904), (592, 340268), (662, 304288), (1028, 195952), (1184, 170134), (1324, 152144), (2056, 97976), (2368, 85067), (2648, 76072), (4112, 48988), (5296, 38036), (8224, 24494), (9509, 21184), (10592, 19018), (12247, 16448)]