261073072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2202

約数の個数: 80

約数和(自身を含む): 592184320

約数和(自身を除く): 331111248

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 589, 806, 988, 1178, 1612, 1976, 2131, 2356, 3224, 3952, 4262, 4712, 6448, 7657, 8524, 9424, 15314, 17048, 27703, 30628, 34096, 40489, 55406, 61256, 66061, 80978, 110812, 122512, 132122, 161956, 221624, 264244, 323912, 443248, 526357, 528488, 647824, 858793, 1052714, 1056976, 1255159, 1717586, 2105428, 2510318, 3435172, 4210856, 5020636, 6870344, 8421712, 10041272, 13740688, 16317067, 20082544, 32634134, 65268268, 130536536, 261073072]

約数ペア:

[(1, 261073072), (2, 130536536), (4, 65268268), (8, 32634134), (13, 20082544), (16, 16317067), (19, 13740688), (26, 10041272), (31, 8421712), (38, 6870344), (52, 5020636), (62, 4210856), (76, 3435172), (104, 2510318), (124, 2105428), (152, 1717586), (208, 1255159), (247, 1056976), (248, 1052714), (304, 858793), (403, 647824), (494, 528488), (496, 526357), (589, 443248), (806, 323912), (988, 264244), (1178, 221624), (1612, 161956), (1976, 132122), (2131, 122512), (2356, 110812), (3224, 80978), (3952, 66061), (4262, 61256), (4712, 55406), (6448, 40489), (7657, 34096), (8524, 30628), (9424, 27703), (15314, 17048)]