81408512

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 80

約数和(自身を含む): 176774400

約数和(自身を除く): 95365888

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 47, 64, 68, 94, 128, 136, 188, 199, 256, 272, 376, 398, 512, 544, 752, 796, 799, 1088, 1504, 1592, 1598, 2176, 3008, 3184, 3196, 3383, 4352, 6016, 6368, 6392, 6766, 8704, 9353, 12032, 12736, 12784, 13532, 18706, 24064, 25472, 25568, 27064, 37412, 50944, 51136, 54128, 74824, 101888, 102272, 108256, 149648, 159001, 204544, 216512, 299296, 318002, 409088, 433024, 598592, 636004, 866048, 1197184, 1272008, 1732096, 2394368, 2544016, 4788736, 5088032, 10176064, 20352128, 40704256, 81408512]

約数ペア:

[(1, 81408512), (2, 40704256), (4, 20352128), (8, 10176064), (16, 5088032), (17, 4788736), (32, 2544016), (34, 2394368), (47, 1732096), (64, 1272008), (68, 1197184), (94, 866048), (128, 636004), (136, 598592), (188, 433024), (199, 409088), (256, 318002), (272, 299296), (376, 216512), (398, 204544), (512, 159001), (544, 149648), (752, 108256), (796, 102272), (799, 101888), (1088, 74824), (1504, 54128), (1592, 51136), (1598, 50944), (2176, 37412), (3008, 27064), (3184, 25568), (3196, 25472), (3383, 24064), (4352, 18706), (6016, 13532), (6368, 12784), (6392, 12736), (6766, 12032), (8704, 9353)]