217380856

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{4583}}^1$

素因数の和:4625

約数の個数: 72

約数和(自身を含む): 521269560

約数和(自身を除く): 303888704

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 121, 154, 196, 242, 308, 392, 484, 539, 616, 847, 968, 1078, 1694, 2156, 3388, 4312, 4583, 5929, 6776, 9166, 11858, 18332, 23716, 32081, 36664, 47432, 50413, 64162, 100826, 128324, 201652, 224567, 256648, 352891, 403304, 449134, 554543, 705782, 898268, 1109086, 1411564, 1796536, 2218172, 2470237, 2823128, 3881801, 4436344, 4940474, 7763602, 9880948, 15527204, 19761896, 27172607, 31054408, 54345214, 108690428, 217380856]

約数ペア:

[(1, 217380856), (2, 108690428), (4, 54345214), (7, 31054408), (8, 27172607), (11, 19761896), (14, 15527204), (22, 9880948), (28, 7763602), (44, 4940474), (49, 4436344), (56, 3881801), (77, 2823128), (88, 2470237), (98, 2218172), (121, 1796536), (154, 1411564), (196, 1109086), (242, 898268), (308, 705782), (392, 554543), (484, 449134), (539, 403304), (616, 352891), (847, 256648), (968, 224567), (1078, 201652), (1694, 128324), (2156, 100826), (3388, 64162), (4312, 50413), (4583, 47432), (5929, 36664), (6776, 32081), (9166, 23716), (11858, 18332)]