2187654208

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{2969}}^1$

素因数の和:3407

約数の個数: 56

約数和(自身を含む): 4503648600

約数和(自身を除く): 2315994392

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 397, 464, 794, 928, 1588, 1856, 2969, 3176, 5938, 6352, 11513, 11876, 12704, 23026, 23752, 25408, 46052, 47504, 86101, 92104, 95008, 172202, 184208, 190016, 344404, 368416, 688808, 736832, 1178693, 1377616, 2357386, 2755232, 4714772, 5510464, 9429544, 18859088, 34182097, 37718176, 68364194, 75436352, 136728388, 273456776, 546913552, 1093827104, 2187654208]

約数ペア:

[(1, 2187654208), (2, 1093827104), (4, 546913552), (8, 273456776), (16, 136728388), (29, 75436352), (32, 68364194), (58, 37718176), (64, 34182097), (116, 18859088), (232, 9429544), (397, 5510464), (464, 4714772), (794, 2755232), (928, 2357386), (1588, 1377616), (1856, 1178693), (2969, 736832), (3176, 688808), (5938, 368416), (6352, 344404), (11513, 190016), (11876, 184208), (12704, 172202), (23026, 95008), (23752, 92104), (25408, 86101), (46052, 47504)]