204520158

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{317}}^1\times {\mathrm{491}}^1$

素因数の和:889

約数の個数: 48

約数和(自身を含む): 451532016

約数和(自身を除く): 247011858

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 317, 438, 491, 634, 657, 951, 982, 1314, 1473, 1902, 2853, 2946, 4419, 5706, 8838, 23141, 35843, 46282, 69423, 71686, 107529, 138846, 155647, 208269, 215058, 311294, 322587, 416538, 466941, 645174, 933882, 1400823, 2801646, 11362231, 22724462, 34086693, 68173386, 102260079, 204520158]

約数ペア:

[(1, 204520158), (2, 102260079), (3, 68173386), (6, 34086693), (9, 22724462), (18, 11362231), (73, 2801646), (146, 1400823), (219, 933882), (317, 645174), (438, 466941), (491, 416538), (634, 322587), (657, 311294), (951, 215058), (982, 208269), (1314, 155647), (1473, 138846), (1902, 107529), (2853, 71686), (2946, 69423), (4419, 46282), (5706, 35843), (8838, 23141)]