201213856

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{419}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 407484000

約数和(自身を除く): 206270144

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 349, 419, 688, 698, 838, 1376, 1396, 1676, 2792, 3352, 5584, 6704, 11168, 13408, 15007, 18017, 30014, 36034, 60028, 72068, 120056, 144136, 146231, 240112, 288272, 292462, 480224, 576544, 584924, 1169848, 2339696, 4679392, 6287933, 12575866, 25151732, 50303464, 100606928, 201213856]

約数ペア:

[(1, 201213856), (2, 100606928), (4, 50303464), (8, 25151732), (16, 12575866), (32, 6287933), (43, 4679392), (86, 2339696), (172, 1169848), (344, 584924), (349, 576544), (419, 480224), (688, 292462), (698, 288272), (838, 240112), (1376, 146231), (1396, 144136), (1676, 120056), (2792, 72068), (3352, 60028), (5584, 36034), (6704, 30014), (11168, 18017), (13408, 15007)]