128609468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{563}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 254693376

約数和(自身を除く): 126083908

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 191, 299, 382, 563, 598, 764, 1126, 1196, 2252, 2483, 4393, 4966, 7319, 8786, 9932, 12949, 14638, 17572, 25898, 29276, 51796, 57109, 107533, 114218, 168337, 215066, 228436, 336674, 430132, 673348, 1397929, 2473259, 2795858, 4946518, 5591716, 9893036, 32152367, 64304734, 128609468]

約数ペア:

[(1, 128609468), (2, 64304734), (4, 32152367), (13, 9893036), (23, 5591716), (26, 4946518), (46, 2795858), (52, 2473259), (92, 1397929), (191, 673348), (299, 430132), (382, 336674), (563, 228436), (598, 215066), (764, 168337), (1126, 114218), (1196, 107533), (2252, 57109), (2483, 51796), (4393, 29276), (4966, 25898), (7319, 17572), (8786, 14638), (9932, 12949)]