215331896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 446433120

約数和(自身を除く): 231101224

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 113, 146, 226, 251, 292, 452, 502, 584, 904, 949, 1004, 1469, 1898, 2008, 2938, 3263, 3796, 5876, 6526, 7592, 8249, 11752, 13052, 16498, 18323, 26104, 28363, 32996, 36646, 56726, 65992, 73292, 107237, 113452, 146584, 214474, 226904, 238199, 368719, 428948, 476398, 737438, 857896, 952796, 1474876, 1905592, 2070499, 2949752, 4140998, 8281996, 16563992, 26916487, 53832974, 107665948, 215331896]

約数ペア:

[(1, 215331896), (2, 107665948), (4, 53832974), (8, 26916487), (13, 16563992), (26, 8281996), (52, 4140998), (73, 2949752), (104, 2070499), (113, 1905592), (146, 1474876), (226, 952796), (251, 857896), (292, 737438), (452, 476398), (502, 428948), (584, 368719), (904, 238199), (949, 226904), (1004, 214474), (1469, 146584), (1898, 113452), (2008, 107237), (2938, 73292), (3263, 65992), (3796, 56726), (5876, 36646), (6526, 32996), (7592, 28363), (8249, 26104), (11752, 18323), (13052, 16498)]