128697296

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{563}}^1$

素因数の和:748

約数の個数: 80

約数和(自身を含む): 309396864

約数和(自身を除く): 180699568

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 157, 182, 208, 314, 364, 563, 628, 728, 1099, 1126, 1256, 1456, 2041, 2198, 2252, 2512, 3941, 4082, 4396, 4504, 7319, 7882, 8164, 8792, 9008, 14287, 14638, 15764, 16328, 17584, 28574, 29276, 31528, 32656, 51233, 57148, 58552, 63056, 88391, 102466, 114296, 117104, 176782, 204932, 228592, 353564, 409864, 618737, 707128, 819728, 1149083, 1237474, 1414256, 2298166, 2474948, 4596332, 4949896, 8043581, 9192664, 9899792, 16087162, 18385328, 32174324, 64348648, 128697296]

約数ペア:

[(1, 128697296), (2, 64348648), (4, 32174324), (7, 18385328), (8, 16087162), (13, 9899792), (14, 9192664), (16, 8043581), (26, 4949896), (28, 4596332), (52, 2474948), (56, 2298166), (91, 1414256), (104, 1237474), (112, 1149083), (157, 819728), (182, 707128), (208, 618737), (314, 409864), (364, 353564), (563, 228592), (628, 204932), (728, 176782), (1099, 117104), (1126, 114296), (1256, 102466), (1456, 88391), (2041, 63056), (2198, 58552), (2252, 57148), (2512, 51233), (3941, 32656), (4082, 31528), (4396, 29276), (4504, 28574), (7319, 17584), (7882, 16328), (8164, 15764), (8792, 14638), (9008, 14287)]