211678852

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1529

約数の個数: 72

約数和(自身を含む): 476493248

約数和(自身を除く): 264814396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 77, 86, 121, 154, 172, 242, 301, 308, 473, 484, 602, 847, 946, 1204, 1453, 1694, 1892, 2906, 3311, 3388, 5203, 5812, 6622, 10171, 10406, 13244, 15983, 20342, 20812, 31966, 36421, 40684, 62479, 63932, 72842, 111881, 124958, 145684, 175813, 223762, 249916, 351626, 437353, 447524, 687269, 703252, 874706, 1230691, 1374538, 1749412, 2461382, 2749076, 4810883, 4922764, 7559959, 9621766, 15119918, 19243532, 30239836, 52919713, 105839426, 211678852]

約数ペア:

[(1, 211678852), (2, 105839426), (4, 52919713), (7, 30239836), (11, 19243532), (14, 15119918), (22, 9621766), (28, 7559959), (43, 4922764), (44, 4810883), (77, 2749076), (86, 2461382), (121, 1749412), (154, 1374538), (172, 1230691), (242, 874706), (301, 703252), (308, 687269), (473, 447524), (484, 437353), (602, 351626), (847, 249916), (946, 223762), (1204, 175813), (1453, 145684), (1694, 124958), (1892, 111881), (2906, 72842), (3311, 63932), (3388, 62479), (5203, 40684), (5812, 36421), (6622, 31966), (10171, 20812), (10406, 20342), (13244, 15983)]