688231264

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{25819}}^1$

素因数の和:25860

約数の個数: 72

約数和(自身を含む): 1668953160

約数和(自身を除く): 980721896

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 476, 544, 784, 833, 952, 1568, 1666, 1904, 3332, 3808, 6664, 13328, 25819, 26656, 51638, 103276, 180733, 206552, 361466, 413104, 438923, 722932, 826208, 877846, 1265131, 1445864, 1755692, 2530262, 2891728, 3072461, 3511384, 5060524, 5783456, 6144922, 7022768, 10121048, 12289844, 14045536, 20242096, 21507227, 24579688, 40484192, 43014454, 49159376, 86028908, 98318752, 172057816, 344115632, 688231264]

約数ペア:

[(1, 688231264), (2, 344115632), (4, 172057816), (7, 98318752), (8, 86028908), (14, 49159376), (16, 43014454), (17, 40484192), (28, 24579688), (32, 21507227), (34, 20242096), (49, 14045536), (56, 12289844), (68, 10121048), (98, 7022768), (112, 6144922), (119, 5783456), (136, 5060524), (196, 3511384), (224, 3072461), (238, 2891728), (272, 2530262), (392, 1755692), (476, 1445864), (544, 1265131), (784, 877846), (833, 826208), (952, 722932), (1568, 438923), (1666, 413104), (1904, 361466), (3332, 206552), (3808, 180733), (6664, 103276), (13328, 51638), (25819, 26656)]