128440624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 278982144

約数和(自身を除く): 150541520

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 61, 104, 106, 122, 191, 208, 212, 244, 382, 424, 488, 689, 764, 793, 848, 976, 1378, 1528, 1586, 2483, 2756, 3056, 3172, 3233, 4966, 5512, 6344, 6466, 9932, 10123, 11024, 11651, 12688, 12932, 19864, 20246, 23302, 25864, 39728, 40492, 42029, 46604, 51728, 80984, 84058, 93208, 131599, 151463, 161968, 168116, 186416, 263198, 302926, 336232, 526396, 605852, 617503, 672464, 1052792, 1211704, 1235006, 2105584, 2423408, 2470012, 4940024, 8027539, 9880048, 16055078, 32110156, 64220312, 128440624]

約数ペア:

[(1, 128440624), (2, 64220312), (4, 32110156), (8, 16055078), (13, 9880048), (16, 8027539), (26, 4940024), (52, 2470012), (53, 2423408), (61, 2105584), (104, 1235006), (106, 1211704), (122, 1052792), (191, 672464), (208, 617503), (212, 605852), (244, 526396), (382, 336232), (424, 302926), (488, 263198), (689, 186416), (764, 168116), (793, 161968), (848, 151463), (976, 131599), (1378, 93208), (1528, 84058), (1586, 80984), (2483, 51728), (2756, 46604), (3056, 42029), (3172, 40492), (3233, 39728), (4966, 25864), (5512, 23302), (6344, 20246), (6466, 19864), (9932, 12932), (10123, 12688), (11024, 11651)]