128489296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19927}}^1$

素因数の和:19979

約数の個数: 40

約数和(自身を含む): 276760064

約数和(自身を除く): 148270768

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 19927, 39854, 79708, 159416, 259051, 318832, 518102, 617737, 1036204, 1235474, 2072408, 2470948, 4144816, 4941896, 8030581, 9883792, 16061162, 32122324, 64244648, 128489296]

約数ペア:

[(1, 128489296), (2, 64244648), (4, 32122324), (8, 16061162), (13, 9883792), (16, 8030581), (26, 4941896), (31, 4144816), (52, 2470948), (62, 2072408), (104, 1235474), (124, 1036204), (208, 617737), (248, 518102), (403, 318832), (496, 259051), (806, 159416), (1612, 79708), (3224, 39854), (6448, 19927)]