215610772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 418677952

約数和(自身を除く): 203067180

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 211, 422, 457, 559, 844, 914, 1118, 1828, 2236, 2743, 5486, 5941, 9073, 10972, 11882, 18146, 19651, 23764, 36292, 39302, 78604, 96427, 117949, 192854, 235898, 255463, 385708, 471796, 510926, 1021852, 1253551, 2507102, 4146361, 5014204, 8292722, 16585444, 53902693, 107805386, 215610772]

約数ペア:

[(1, 215610772), (2, 107805386), (4, 53902693), (13, 16585444), (26, 8292722), (43, 5014204), (52, 4146361), (86, 2507102), (172, 1253551), (211, 1021852), (422, 510926), (457, 471796), (559, 385708), (844, 255463), (914, 235898), (1118, 192854), (1828, 117949), (2236, 96427), (2743, 78604), (5486, 39302), (5941, 36292), (9073, 23764), (10972, 19651), (11882, 18146)]