261345872

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{739}}^1$

素因数の和:832

約数の個数: 60

約数和(自身を含む): 546706080

約数和(自身を除く): 285360208

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 248, 368, 496, 713, 739, 961, 1426, 1478, 1922, 2852, 2956, 3844, 5704, 5912, 7688, 11408, 11824, 15376, 16997, 22103, 22909, 33994, 44206, 45818, 67988, 88412, 91636, 135976, 176824, 183272, 271952, 353648, 366544, 526907, 710179, 1053814, 1420358, 2107628, 2840716, 4215256, 5681432, 8430512, 11362864, 16334117, 32668234, 65336468, 130672936, 261345872]

約数ペア:

[(1, 261345872), (2, 130672936), (4, 65336468), (8, 32668234), (16, 16334117), (23, 11362864), (31, 8430512), (46, 5681432), (62, 4215256), (92, 2840716), (124, 2107628), (184, 1420358), (248, 1053814), (368, 710179), (496, 526907), (713, 366544), (739, 353648), (961, 271952), (1426, 183272), (1478, 176824), (1922, 135976), (2852, 91636), (2956, 88412), (3844, 67988), (5704, 45818), (5912, 44206), (7688, 33994), (11408, 22909), (11824, 22103), (15376, 16997)]