2051237968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{1381}}^1$

素因数の和:1632

約数の個数: 80

約数和(自身を含む): 4421637136

約数和(自身を除く): 2370399168

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 193, 208, 296, 386, 481, 592, 772, 962, 1381, 1544, 1924, 2509, 2762, 3088, 3848, 5018, 5524, 7141, 7696, 10036, 11048, 14282, 17953, 20072, 22096, 28564, 35906, 40144, 51097, 57128, 71812, 92833, 102194, 114256, 143624, 185666, 204388, 266533, 287248, 371332, 408776, 533066, 664261, 742664, 817552, 1066132, 1328522, 1485328, 2132264, 2657044, 3464929, 4264528, 5314088, 6929858, 9861721, 10628176, 13859716, 19723442, 27719432, 39446884, 55438864, 78893768, 128202373, 157787536, 256404746, 512809492, 1025618984, 2051237968]

約数ペア:

[(1, 2051237968), (2, 1025618984), (4, 512809492), (8, 256404746), (13, 157787536), (16, 128202373), (26, 78893768), (37, 55438864), (52, 39446884), (74, 27719432), (104, 19723442), (148, 13859716), (193, 10628176), (208, 9861721), (296, 6929858), (386, 5314088), (481, 4264528), (592, 3464929), (772, 2657044), (962, 2132264), (1381, 1485328), (1544, 1328522), (1924, 1066132), (2509, 817552), (2762, 742664), (3088, 664261), (3848, 533066), (5018, 408776), (5524, 371332), (7141, 287248), (7696, 266533), (10036, 204388), (11048, 185666), (14282, 143624), (17953, 114256), (20072, 102194), (22096, 92833), (28564, 71812), (35906, 57128), (40144, 51097)]