208984908

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{883}}^1$

素因数の和:1075

約数の個数: 72

約数和(自身を含む): 539890624

約数和(自身を除く): 330905716

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 121, 132, 163, 242, 326, 363, 484, 489, 652, 726, 883, 978, 1452, 1766, 1793, 1956, 2649, 3532, 3586, 5298, 5379, 7172, 9713, 10596, 10758, 19426, 19723, 21516, 29139, 38852, 39446, 58278, 59169, 78892, 106843, 116556, 118338, 143929, 213686, 236676, 287858, 320529, 427372, 431787, 575716, 641058, 863574, 1282116, 1583219, 1727148, 3166438, 4749657, 6332876, 9499314, 17415409, 18998628, 34830818, 52246227, 69661636, 104492454, 208984908]

約数ペア:

[(1, 208984908), (2, 104492454), (3, 69661636), (4, 52246227), (6, 34830818), (11, 18998628), (12, 17415409), (22, 9499314), (33, 6332876), (44, 4749657), (66, 3166438), (121, 1727148), (132, 1583219), (163, 1282116), (242, 863574), (326, 641058), (363, 575716), (484, 431787), (489, 427372), (652, 320529), (726, 287858), (883, 236676), (978, 213686), (1452, 143929), (1766, 118338), (1793, 116556), (1956, 106843), (2649, 78892), (3532, 59169), (3586, 58278), (5298, 39446), (5379, 38852), (7172, 29139), (9713, 21516), (10596, 19723), (10758, 19426)]