205099888

素因数分解:

$2^4\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1997}}^1$

素因数の和:2150

約数の個数: 60

約数和(自身を含む): 466021512

約数和(自身を除く): 260921624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 131, 196, 262, 392, 524, 784, 917, 1048, 1834, 1997, 2096, 3668, 3994, 6419, 7336, 7988, 12838, 13979, 14672, 15976, 25676, 27958, 31952, 51352, 55916, 97853, 102704, 111832, 195706, 223664, 261607, 391412, 523214, 782824, 1046428, 1565648, 1831249, 2092856, 3662498, 4185712, 7324996, 12818743, 14649992, 25637486, 29299984, 51274972, 102549944, 205099888]

約数ペア:

[(1, 205099888), (2, 102549944), (4, 51274972), (7, 29299984), (8, 25637486), (14, 14649992), (16, 12818743), (28, 7324996), (49, 4185712), (56, 3662498), (98, 2092856), (112, 1831249), (131, 1565648), (196, 1046428), (262, 782824), (392, 523214), (524, 391412), (784, 261607), (917, 223664), (1048, 195706), (1834, 111832), (1997, 102704), (2096, 97853), (3668, 55916), (3994, 51352), (6419, 31952), (7336, 27958), (7988, 25676), (12838, 15976), (13979, 14672)]