211027328

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 436968000

約数和(自身を除く): 225940672

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 79, 82, 128, 158, 164, 316, 328, 509, 632, 656, 1018, 1264, 1312, 2036, 2528, 2624, 3239, 4072, 5056, 5248, 6478, 8144, 10112, 12956, 16288, 20869, 25912, 32576, 40211, 41738, 51824, 65152, 80422, 83476, 103648, 160844, 166952, 207296, 321688, 333904, 414592, 643376, 667808, 1286752, 1335616, 1648651, 2573504, 2671232, 3297302, 5147008, 6594604, 13189208, 26378416, 52756832, 105513664, 211027328]

約数ペア:

[(1, 211027328), (2, 105513664), (4, 52756832), (8, 26378416), (16, 13189208), (32, 6594604), (41, 5147008), (64, 3297302), (79, 2671232), (82, 2573504), (128, 1648651), (158, 1335616), (164, 1286752), (316, 667808), (328, 643376), (509, 414592), (632, 333904), (656, 321688), (1018, 207296), (1264, 166952), (1312, 160844), (2036, 103648), (2528, 83476), (2624, 80422), (3239, 65152), (4072, 51824), (5056, 41738), (5248, 40211), (6478, 32576), (8144, 25912), (10112, 20869), (12956, 16288)]