221139328

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1151}}^1$

素因数の和:1263

約数の個数: 64

約数和(自身を含む): 470016000

約数和(自身を除く): 248876672

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 79, 128, 152, 158, 304, 316, 608, 632, 1151, 1216, 1264, 1501, 2302, 2432, 2528, 3002, 4604, 5056, 6004, 9208, 10112, 12008, 18416, 21869, 24016, 36832, 43738, 48032, 73664, 87476, 90929, 96064, 147328, 174952, 181858, 192128, 349904, 363716, 699808, 727432, 1399616, 1454864, 1727651, 2799232, 2909728, 3455302, 5819456, 6910604, 11638912, 13821208, 27642416, 55284832, 110569664, 221139328]

約数ペア:

[(1, 221139328), (2, 110569664), (4, 55284832), (8, 27642416), (16, 13821208), (19, 11638912), (32, 6910604), (38, 5819456), (64, 3455302), (76, 2909728), (79, 2799232), (128, 1727651), (152, 1454864), (158, 1399616), (304, 727432), (316, 699808), (608, 363716), (632, 349904), (1151, 192128), (1216, 181858), (1264, 174952), (1501, 147328), (2302, 96064), (2432, 90929), (2528, 87476), (3002, 73664), (4604, 48032), (5056, 43738), (6004, 36832), (9208, 24016), (10112, 21869), (12008, 18416)]