221640152

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{2473}}^1$

素因数の和:3155

約数の個数: 32

約数和(自身を含む): 440866800

約数和(自身を除く): 219226648

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 659, 1318, 2473, 2636, 4946, 5272, 9892, 11203, 19784, 22406, 42041, 44812, 84082, 89624, 168164, 336328, 1629707, 3259414, 6518828, 13037656, 27705019, 55410038, 110820076, 221640152]

約数ペア:

[(1, 221640152), (2, 110820076), (4, 55410038), (8, 27705019), (17, 13037656), (34, 6518828), (68, 3259414), (136, 1629707), (659, 336328), (1318, 168164), (2473, 89624), (2636, 84082), (4946, 44812), (5272, 42041), (9892, 22406), (11203, 19784)]