71528288

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1237}}^1$

素因数の和:1399

約数の個数: 48

約数和(自身を含む): 152868240

約数和(自身を除く): 81339952

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 139, 208, 278, 416, 556, 1112, 1237, 1807, 2224, 2474, 3614, 4448, 4948, 7228, 9896, 14456, 16081, 19792, 28912, 32162, 39584, 57824, 64324, 128648, 171943, 257296, 343886, 514592, 687772, 1375544, 2235259, 2751088, 4470518, 5502176, 8941036, 17882072, 35764144, 71528288]

約数ペア:

[(1, 71528288), (2, 35764144), (4, 17882072), (8, 8941036), (13, 5502176), (16, 4470518), (26, 2751088), (32, 2235259), (52, 1375544), (104, 687772), (139, 514592), (208, 343886), (278, 257296), (416, 171943), (556, 128648), (1112, 64324), (1237, 57824), (1807, 39584), (2224, 32162), (2474, 28912), (3614, 19792), (4448, 16081), (4948, 14456), (7228, 9896)]