28629328

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^2$

素因数の和:141

約数の個数: 90

約数和(自身を含む): 70824894

約数和(自身を除く): 42195566

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 53, 56, 91, 98, 104, 106, 112, 182, 196, 208, 212, 364, 371, 392, 424, 637, 689, 728, 742, 784, 848, 1274, 1378, 1456, 1484, 2548, 2597, 2756, 2809, 2968, 4823, 5096, 5194, 5512, 5618, 5936, 9646, 10192, 10388, 11024, 11236, 19292, 19663, 20776, 22472, 33761, 36517, 38584, 39326, 41552, 44944, 67522, 73034, 77168, 78652, 135044, 137641, 146068, 157304, 255619, 270088, 275282, 292136, 314608, 511238, 540176, 550564, 584272, 1022476, 1101128, 1789333, 2044952, 2202256, 3578666, 4089904, 7157332, 14314664, 28629328]

約数ペア:

[(1, 28629328), (2, 14314664), (4, 7157332), (7, 4089904), (8, 3578666), (13, 2202256), (14, 2044952), (16, 1789333), (26, 1101128), (28, 1022476), (49, 584272), (52, 550564), (53, 540176), (56, 511238), (91, 314608), (98, 292136), (104, 275282), (106, 270088), (112, 255619), (182, 157304), (196, 146068), (208, 137641), (212, 135044), (364, 78652), (371, 77168), (392, 73034), (424, 67522), (637, 44944), (689, 41552), (728, 39326), (742, 38584), (784, 36517), (848, 33761), (1274, 22472), (1378, 20776), (1456, 19663), (1484, 19292), (2548, 11236), (2597, 11024), (2756, 10388), (2809, 10192), (2968, 9646), (4823, 5936), (5096, 5618), (5194, 5512)]