201628688

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{809}}^1$

素因数の和:1275

約数の個数: 40

約数和(自身を含む): 402663960

約数和(自身を除く): 201035272

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 421, 592, 809, 842, 1618, 1684, 3236, 3368, 6472, 6736, 12944, 15577, 29933, 31154, 59866, 62308, 119732, 124616, 239464, 249232, 340589, 478928, 681178, 1362356, 2724712, 5449424, 12601793, 25203586, 50407172, 100814344, 201628688]

約数ペア:

[(1, 201628688), (2, 100814344), (4, 50407172), (8, 25203586), (16, 12601793), (37, 5449424), (74, 2724712), (148, 1362356), (296, 681178), (421, 478928), (592, 340589), (809, 249232), (842, 239464), (1618, 124616), (1684, 119732), (3236, 62308), (3368, 59866), (6472, 31154), (6736, 29933), (12944, 15577)]