215742688

素因数分解:

$2^5\times 7^2\times {\mathrm{223}}^1\times {\mathrm{617}}^1$

素因数の和:864

約数の個数: 72

約数和(自身を含む): 497109312

約数和(自身を除く): 281366624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 223, 224, 392, 446, 617, 784, 892, 1234, 1561, 1568, 1784, 2468, 3122, 3568, 4319, 4936, 6244, 7136, 8638, 9872, 10927, 12488, 17276, 19744, 21854, 24976, 30233, 34552, 43708, 49952, 60466, 69104, 87416, 120932, 137591, 138208, 174832, 241864, 275182, 349664, 483728, 550364, 963137, 967456, 1100728, 1926274, 2201456, 3852548, 4402912, 6741959, 7705096, 13483918, 15410192, 26967836, 30820384, 53935672, 107871344, 215742688]

約数ペア:

[(1, 215742688), (2, 107871344), (4, 53935672), (7, 30820384), (8, 26967836), (14, 15410192), (16, 13483918), (28, 7705096), (32, 6741959), (49, 4402912), (56, 3852548), (98, 2201456), (112, 1926274), (196, 1100728), (223, 967456), (224, 963137), (392, 550364), (446, 483728), (617, 349664), (784, 275182), (892, 241864), (1234, 174832), (1561, 138208), (1568, 137591), (1784, 120932), (2468, 87416), (3122, 69104), (3568, 60466), (4319, 49952), (4936, 43708), (6244, 34552), (7136, 30233), (8638, 24976), (9872, 21854), (10927, 19744), (12488, 17276)]