491136256

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8681}}^1$

素因数の和:8727

約数の個数: 72

約数和(自身を含む): 1117998504

約数和(自身を除く): 626862248

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 416, 442, 544, 832, 884, 1088, 1664, 1768, 2176, 3328, 3536, 4352, 7072, 8681, 14144, 17362, 28288, 34724, 56576, 69448, 112853, 138896, 147577, 225706, 277792, 295154, 451412, 555584, 590308, 902824, 1111168, 1180616, 1805648, 1918501, 2222336, 2361232, 3611296, 3837002, 4722464, 7222592, 7674004, 9444928, 14445184, 15348008, 18889856, 28890368, 30696016, 37779712, 61392032, 122784064, 245568128, 491136256]

約数ペア:

[(1, 491136256), (2, 245568128), (4, 122784064), (8, 61392032), (13, 37779712), (16, 30696016), (17, 28890368), (26, 18889856), (32, 15348008), (34, 14445184), (52, 9444928), (64, 7674004), (68, 7222592), (104, 4722464), (128, 3837002), (136, 3611296), (208, 2361232), (221, 2222336), (256, 1918501), (272, 1805648), (416, 1180616), (442, 1111168), (544, 902824), (832, 590308), (884, 555584), (1088, 451412), (1664, 295154), (1768, 277792), (2176, 225706), (3328, 147577), (3536, 138896), (4352, 112853), (7072, 69448), (8681, 56576), (14144, 34724), (17362, 28288)]