657208864

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{1061}}^1\times {\mathrm{1489}}^1$

素因数の和:2573

約数の個数: 48

約数和(自身を含む): 1395659160

約数和(自身を除く): 738450296

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 1061, 1489, 2122, 2978, 4244, 5956, 8488, 11912, 13793, 16976, 19357, 23824, 27586, 33952, 38714, 47648, 55172, 77428, 110344, 154856, 220688, 309712, 441376, 619424, 1579829, 3159658, 6319316, 12638632, 20537777, 25277264, 41075554, 50554528, 82151108, 164302216, 328604432, 657208864]

約数ペア:

[(1, 657208864), (2, 328604432), (4, 164302216), (8, 82151108), (13, 50554528), (16, 41075554), (26, 25277264), (32, 20537777), (52, 12638632), (104, 6319316), (208, 3159658), (416, 1579829), (1061, 619424), (1489, 441376), (2122, 309712), (2978, 220688), (4244, 154856), (5956, 110344), (8488, 77428), (11912, 55172), (13793, 47648), (16976, 38714), (19357, 33952), (23824, 27586)]