28240755568

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1\times {\mathrm{977}}^1$

素因数の和:1490

約数の個数: 80

約数和(自身を含む): 56793132864

約数和(自身を除く): 28552377296

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 157, 296, 311, 314, 592, 622, 628, 977, 1244, 1256, 1954, 2488, 2512, 3908, 4976, 5809, 7816, 11507, 11618, 15632, 23014, 23236, 36149, 46028, 46472, 48827, 72298, 92056, 92944, 97654, 144596, 153389, 184112, 195308, 289192, 303847, 306778, 390616, 578384, 607694, 613556, 781232, 1215388, 1227112, 1806599, 2430776, 2454224, 3613198, 4861552, 5675393, 7226396, 11242339, 11350786, 14452792, 22484678, 22701572, 28905584, 44969356, 45403144, 47703979, 89938712, 90806288, 95407958, 179877424, 190815916, 381631832, 763263664, 1765047223, 3530094446, 7060188892, 14120377784, 28240755568]

約数ペア:

[(1, 28240755568), (2, 14120377784), (4, 7060188892), (8, 3530094446), (16, 1765047223), (37, 763263664), (74, 381631832), (148, 190815916), (157, 179877424), (296, 95407958), (311, 90806288), (314, 89938712), (592, 47703979), (622, 45403144), (628, 44969356), (977, 28905584), (1244, 22701572), (1256, 22484678), (1954, 14452792), (2488, 11350786), (2512, 11242339), (3908, 7226396), (4976, 5675393), (5809, 4861552), (7816, 3613198), (11507, 2454224), (11618, 2430776), (15632, 1806599), (23014, 1227112), (23236, 1215388), (36149, 781232), (46028, 613556), (46472, 607694), (48827, 578384), (72298, 390616), (92056, 306778), (92944, 303847), (97654, 289192), (144596, 195308), (153389, 184112)]